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Línia 4:
Quercus chennii
2. Quercus chenii Nakai, J. Arnold Arbor. 5: 74. 1924.
小叶栎 xiao ye li
Quercus acutissima Carruthers subsp. chenii (Nakai) A. Camus; Q. acutissima var. brevipetiolata G. Hoo; Q. acutissima var. chenii (Nakai) Menitsky; Q. chenii var. linanensis M. C. Liu & X. L. Shen.
Trees to 30 m tall, deciduous. First-year branchlets ca. 1.5 mm thick. Petiole 0.5-1.5 cm; leaf blade broadly lanceolate to ovate-lanceolate, 7-12 × 2-3.5 cm, yellowish brown tomentose, glabrescent or only veins abaxially tomentose at axils, base shortly attenuate to broadly cuneate and slightly oblique, margin with spiniform teeth, apex acuminate; secondary veins 12-16 on each side of midvein; tertiary veins abaxially inconspicuous. Cupule cupular, ca. 8 mm × 1.5 cm including bracts, enclosing ca. 1/3 of nut; bracts from base to middle triangular, adherent to cupule, tomentose, ca. 3 mm, apical bracts linear, ca. 5 mm, rectiserial or inflexed. Nut ellipsoid, 1.5-2.5 × 1.3-1.5 cm, apex pale brown sericeous; scar ca. 5 mm in diam., slightly raised, stylopodium ca. 2 mm in diam., pale brown sericeous. Fl. Apr, fr. Oct of following year.
* Mixed mesophytic forests; below 600 m. Anhui, Fujian, Henan, Hubei, Hunan, Jiangsu, Jiangxi, Shandong, Sichuan, Zhejiang
Very closely related to Quercus acutissima, and could just represent the small extreme of that species.
Linha 10 ⟶ 21:
Quercus hui — # Xina.
14. Cyclobalanopsis hui (Chun) Chun ex Y. C. Hsu & H. W. Jen, J. Beijing Forest. Univ. 15(4): 45. 1993.
雷公青冈 lei gong qing gang
Quercus hui Chun, J. Arnold Arbor. 9: 126. 1928.
Trees 10-15(-20) m tall. Branchlets densely curly orangish brown tomentose, glabrescent, lenticellate; lenticels minute. Petiole 1-1.4 cm, woolly when young; leaf blade oblong-elliptic, oblanceolate, or elliptic-lanceolate, 7-13 × 1.5-3(-4) cm, subleathery, abaxially pale brown tomentose but glabrescent, base cuneate and slightly oblique, margin recurved and entire or indistinctly serrulate toward apex, apex acuminate to obtuse; midvein and secondary veins abaxially prominent, adaxially flat; secondary veins 6-10 on each side of midvein; tertiary veins abaxially slender, evident. Female inflorescences 1-2 cm; cupules 2-5, apical. Infructescence ca. 1 cm; fruit 1 or 2. Cupule shallowly bowl-shaped to deeply discoid, 4-10 mm × 1.5-3 cm, covering base of nut, outside and inside densely feltlike tawny tomentose, wall ca. 1 mm thick; bracts in 4-6 rings, margin denticulate. Nut oblate, 1.5-2 × 1.5-2.5 cm, densely tawny tomentose, glabrescent; scar 7-10 mm in diam., impressed; stylopodium raised. Fl. Apr-May, fr. Oct-Dec.
* Mixed or dense wet broad-leaved evergreen forests in mountains; 300-1200 m. Guangdong, Guangxi, Hunan
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Linha 15 ⟶ 35:
Quercus hypophaea — # Taiwan.
22. Cyclobalanopsis hypophaea (Hayata) Kudo, J. Soc. Trop. Agric. 3: 389. 1931.
绒毛青冈 rong mao qing gang
Quercus hypophaea Hayata, Icon. Pl. Formosan. 3: 182. 1913; Lithocarpus hypophaeus (Hayata) Hayata; Pasania hypophaea (Hayata) H. L. Li.
Trees to 18 m tall. Branchlets slender, whitish hairy. Petiole 0.5-10 mm, triangular in cross section, densely gray tomentose; leaf blade narrowly elliptic-lanceolate, 5-9.5 × 1.5-2.3 cm, subleathery, abaxially whitish tomentose and hairs adnate, adaxially bright green, base cuneate, margin entire, apex acuminate; midvein abaxially prominent and adaxially flat; secondary veins 8-14 on each side of midvein, slender, evident, not fusing; tertiary veins abaxially obscure. Cupule saucer-shaped, 5-8 mm × 1-1.8 cm, outside whitish pubescent; bracts in 7-11 rings. Nut oblate to broadly ovoid, 1.7-2.1 × 1.2-1.8 cm; scar 5-8 mm in diam., slightly convex. Fl. Dec-Jan, fr. Jan-Feb of following year.
* Broad-leaved evergreen forests; near sea level to 1100 m. SE Taiwan
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Linha 23 ⟶ 52:
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1. Cyclobalanopsis jenseniana (Handel-Mazzetti) W. C. Cheng & T. Hong ex Q. F. Zheng, Fl. Fujian. 1: 406. 1982.
大叶青冈 da ye qing gang
Quercus jenseniana Handel-Mazzetti, Anz. Akad. Wiss. Wien, Math.-Naturwiss. Kl. 59: 52. 1922; Cyclobalanopsis pinbianensis Y. C. Hsu & H. W. Jen; Lithocarpus dunnii F. P. Metcalf; Q. pinbianensis (Y. C. Hsu & H. W. Jen) C. C. Huang & Y. T. Chang.
Trees to 35 m tall. Branchlets thick, sulcate, glabrous, densely lenticellate; lenticels pale brown. Petiole 3-5 cm, adaxially sulcate, glabrous; leaf blade elliptic, oblong-elliptic, or obovate-oblong, 12-20(-30) × 6-8(-13) cm, subleathery to leathery, glabrous, base cuneate, broadly cuneate, or subrounded, margin entire, apex caudate to acuminate; midvein abaxially prominent, adaxially impressed; secondary veins 12-18 (-24) on each side of midvein, curving near margin; tertiary veins abaxially slender, evident. Female inflorescences 3-5(-9) cm; rachis lenticels grayish brown, oblong. Infructescences 5-10 cm. Cupule cupular, 0.8-1 × 1.3-1.5 cm, enclosing 1/3-1/2 of nut, outside and inside with thick orangish brown indument but outside glabrescent, wall less than 1 mm thick; bracts in 6-9 rings, margin denticulate. Nut oblong-ovoid, obovoid, or ovoid-conical, 1.7-2.2 × (0.8-)1.3-1.5 cm, yellowish velutinous, glabrescent; scar (3-)6 mm in diam., raised; stylopodium persistent. Fl. Apr-Jun, fr. Oct-Nov of following year.
* Mixed mesophytic forests on mountain slopes, valleys, and along rivers; 300-1700 m. Fujian, Guangdong, Guangxi, Guizhou, Hubei, Hunan, Jiangxi, Yunnan, Zhejiang
Quercus jinpinensis — # Xina.
Linha 31 ⟶ 68:
Quercus kiukiangensis — # Xina.
34. Cyclobalanopsis kiukiangensis Y. T. Chang ex Y. C. Hsu & H. W. Jen, Acta Phytotax. Sin. 14(2): 85. 1976.
俅江青冈 qiu jiang qing gang
Quercus kiukiangensis (Y. T. Chang ex Y. C. Hsu & H. W. Jen) Y. T. Chang; Cyclobalanopsis xizangensis Y. C. Hsu & H. W. Jen; Q. xizangensis (Y. C. Hsu & H. W. Jen) C. C. Huang & Y. C. Chang.
Trees to 30 m tall. Branchlets thick, densely lenticellate; lenticels brownish, raised. Petiole 1.5-2.5 cm, glabrous; leaf blade oblong-elliptic, 10-18 × 3.5-8.5 cm, leathery, abaxially whitish, and loosely covered with simple hairs, base rounded to broadly cuneate, margin apical 1/2 with awnlike and incurved serrations, apex shortly acute, acuminate, or caudate; midvein and secondary veins abaxially prominent but adaxially impressed; secondary veins 10-13 on each side of midvein, tertiary veins abaxially slender, evident to conspicuous, parallel. Infructescence ca. 3.5 cm; rachis ca. 4 mm thick. Cupule saucer-to bowl-shaped, 1.2-1.5 × 1.8-2.2 cm, enclosing to 1/2 of nut, outside tomentose, inside whitish sericeous, wall 1.5-3 mm thick; bracts in 6-9 rings, yellowish brown tomentose, margin of basal ones loosely dentate but apical ones entire. Nut globose, ovoid, or conical, 1.5-1.7(-3) × 1.4-1.7 cm, glabrous; scar ca. 8 mm in diam., convex; stylopodium persistent, conspicuous, 3-ringed. Fr. Aug-Sep.
* Mixed mesophytic forests in mountains; 1300-2000 m. Xizang, NW Yunnan
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Quercus kouangsiensis — # Xina.
39. Cyclobalanopsis kouangsiensis (A. Camus) Y. C. Hsu & H. W. Jen, Acta Phytotax. Sin. 14(2): 78. 1976.
广西青冈 guang xi qing gang
Quercus kouangsiensis A. Camus, Bull. Soc. Bot. France 84: 176. 1937; Q. nemoralis Chun.
Trees to 15 m tall. Branchlets sulcate, densely tawny velutinous. Petiole 1.5-3 cm, densely light brown tomentose; leaf blade oblong-elliptic to lanceolate, 12-20 × 3.5-5.5 cm, leathery, abaxially densely pale grayish brown stellate tomentose, base cuneate and usually oblique, margin apically serrate, apex acuminate; midvein and secondary veins abaxially prominent but adaxially flat; secondary veins 10-14 on each side of midvein; tertiary veins abaxially slender, conspicuous. Female inflorescence ca. 1.5 cm; rachis brown tomentose. Cupule campanulate, ca. 2.5 × 2.5-3.4 cm, enclosing more than 1/2 of nut, outside orangish brown tomentose, inside feltlike orangish tomentose, wall ca. 1.5 mm thick; bracts in 8 or 9 rings, margin dentate. Nut cylindric-ellipsoid, ca. 5 × 2.5 cm, tomentose; scar ca. 1.5 cm in diam., slightly convex; stylopodium umbonate, ca. 3 mm. Fr. Oct.
* Wet, broad-leaved evergreen forests in mountains; 200-2000 m. Guangdong, Guangxi, Hunan, Yunnan
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Quercus litoralis — # Xina.
33. Cyclobalanopsis litoralis Chun & P. C. Tam ex Y. C. Hsu & H. W. Jen, Acta Bot. Yunnan. 1(1): 147. 1979.
尖峰青冈 jian feng qing gang
Quercus hainanica C. C. Huang & Y. T. Chang, invalid name; Q. obconicus Y. C. Hsu ex Z. K. Zhou.
Trees to 15 m tall; trunk to 40 cm d.b.h.; bark grayish brown. Branchlets thick, densely brown tomentose, glabrescent, lenticellate; lenticels minute, raised. Petiole 2.5-5 cm, densely brown tomentose when young but glabrescent; leaf blade elliptic, 10-20 × 5-10 cm, leathery, brown tomentose when young but glabrescent, abaxially grayish green but brownish when dry, base cuneate, margin remotely minutely serrate, apex with a short, blunt tip; midvein and secondary veins adaxially slightly raised; secondary veins 7-9 on each side of midvein; tertiary veins abaxially inconspicuous. Female inflorescences borne in axil of terminal leaf, 2-3 cm; cupules 3-5. Cupule obconic, 2-2.5 × 2.5-3.5 cm, enclosing less than 1/2 of nut, outside grayish brown tomentose, wall 3-5 mm thick; bracts in 9-12 rings, margin of basal ones entire, others denticulate and incurved. Nut ellipsoid, ca. 4.5 × 2.5-2.8 cm; scar conically convex. Fl. Dec, fr. Jun-Jul of following year.
* Mixed mesophytic forests in mountains; 900-1000 m. Hainan (Dongfang Xian)
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Quercus litseoides — # Xina.
7. Cyclobalanopsis litseoides (Dunn) Schottky, Bot. Jahrb. Syst. 47: 658. 1912.
木姜叶青冈 mu jiang ye qing gang
Quercus litseoides Dunn, J. Bot. 47: 377. 1909.
Trees to 10 m tall. Branchlets sparsely tomentose, glabrescent. Leaves sessile; leaf blade obovate-oblanceolate to narrowly elliptic, 2.5-7 × 0.8-3 cm, glabrous, abaxially grayish green, adaxially dark green, base cuneate, margin entire, apex obtuse; secondary veins 6-9 on each side of midvein. Female inflorescences ca. 1 cm; cupules 2, apical. Cupule bowl-shaped, 5-6 × ca. 10 mm, enclosing ca. 1/3 of nut, outside, remotely grayish brown tomentose; bracts in 5-7 rings, margin entire or denticulate. Nut ellipsoid, 1.5-1.8 × ca. 1 cm, apex pubescent; scar flat; stylopodium persistent, evident.
* Sparse forests in mountains; 700-1000 m. SE Guangdong, SW Guangxi
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Linha 51 ⟶ 121:
Quercus lungmaiensis — # Yunnan (Xina).
50. Cyclobalanopsis lungmaiensis Hu, Acta Phytotax. Sin. 1: 154. 1951.
龙迈青冈 long mai qing gang
Quercus lungmaiensis (Hu) C. C. Huang & Y. T. Chang; Cyclobalanopsis fulviseriaca Y. C. Hsu & D. M. Wang; C. longifolia Y. C. Hsu & Q. Z. Dong; Q. fulviseriaca (Y. C. Hsu & D. M. Wang) Z. K. Zhou; Q. yongchunana Z. K. Zhou.
Trees to 30 m tall. Branchlets conspicuously sulcate, glabrous. Petiole 2-2.5(-4) cm, adaxially sulcate, glabrous; leaf blade green, oblong, obovate-elliptic, or ovate-lanceolate, 9.5-11.5 × 3-4 cm, subleathery, abaxially grayish green and with simple hairs or glabrous, adaxially green and glabrous, base cuneate to subrounded, margin basally entire but apically awnlike serrate, apex acuminate to caudate; midvein abaxially prominent and adaxially impressed; secondary veins 13-17 on each side of midvein; tertiary veins abaxially conspicuous. Female inflorescences ca. 2.5 cm; rachis slender, sparsely tomentose. Cupule bowl-shaped, 0.7-1 × ca. 1.5 cm, enclosing 1/3-1/2 of nut, outside sparsely tomentose; bracts in 7-9 rings, margin of basal ones 1 or 2 denticulate, others subentire to repand-dentate. Nut broadly ovoid to oblate, 1.2-2 cm, apex flat or depressed and velutinous; scar flat and rounded. Fl. Mar-Apr, fr. Oct.
* Rocky mountains; 1100-1300 m. SE Yunnan
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Quercus merrillii — # Sabah i Sarawak (Malàisia), Palawan (Filipines).
Linha 61 ⟶ 139:
Quercus morii — # Taiwan.
52. Cyclobalanopsis morii (Hayata) Schottky, Bot. Jahrb. Syst. 47: 658. 1921.
台湾青冈 tai wan qing gang
Quercus morii Hayata, J. Coll. Sci. Imp. Univ. Tokyo 30(1): 293. 1911.
Trees to 30 m tall. Branchlets thick, glabrous or arachnoid hairy when young, conspicuously lenticellate. Petiole 1.5-3 cm, glabrous; leaf blade oblong to ovate-elliptic, 6-10 × 2.5-4 cm, glabrous or sparsely sericeous when young, base subrounded to broadly cuneate and slightly oblique, margin apical 1/2 serrate, apex caudate; midvein and secondary veins abaxially prominent, adaxially flat or slightly impressed; secondary veins 8-11 on each side of midvein; tertiary veins abaxially slender, evident. Infructescence 2-3 cm; rachis glabrous, lenticellate. Cupule cupular to campanulate, 1.4-1.8 × 1.5-2 cm, enclosing ca. 1/2 of nut, outside brown velutinous, inside brown tomentose, wall ca. 1 mm thick; bracts in 7 or 8 rings, basal ones divergent from cupule wall, apical ones with margin dentate and apex obtuse. Nut ovoid to cylindric, 1.5-2.5 × 1-1.8 cm, glabrous or rarely hairy, apex rounded; scar ca. 1 cm in diam., flat or slightly convex; stylopodium persistent, ca. 1 mm in diam. Fl. Apr-May, fr. Oct-Nov of following year.
* Broad-leaved evergreen forests in mountains; 1600-2600 m. Taiwan
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Quercus motuoensis — # Xina.
21. Cyclobalanopsis motuoensis (C. C. Huang) Y. C. Hsu & H. W. Jen, J. Beijing Forest. Univ. 15(4). 46. 1993.
墨脱青冈 mo tuo qing gang
Quercus motuoensis C. C. Huang in C. C. Huang & Y. T. Chang, Guihaia 12: 306. 1992.
Trees to 30 m tall. Branchlets dark, sulcate, densely lenticellate; lenticels whitish, rounded, glabrous. Petiole 1.5-2 cm, glabrous; leaf blade oblong to ovate-elliptic, 7-10 × 3-4 cm, subleathery, concolorous, glabrous, base rounded and slightly oblique, margin entire or apically remotely serrate, apex caudate; midvein adaxially impressed; secondary veins 7-9 on each side of midvein, slender, inconspicuous; tertiary veins obscure. Infructescences solitary in axil of a higher leaf, 2-4 cm, with 1 or 2 fruit. Cupule cupular, 0.8-1 × ca. 1.5 cm, enclosing ca. 1/2 of nut, outside glabrous, inside sericeous; bracts in 6 rings, margin remotely triangular-denticulate. Nut depressed globose, 1.4-1.8 × 1-1.3 cm, glabrous; scar ca. 4 mm in diam., slightly convex; stylopodium persistent, ca. 2 mm. Fr. Oct.
* Broad-leaved forests; circa 1700 m. SE Xizang (Mêdog Xian)
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Linha 73 ⟶ 168:
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31. Cyclobalanopsis multinervis W. C. Cheng & T. Hong in W. C. Cheng et al., Sci. Silvae. 8: 10. 1963.
多脉青冈 duo mai qing gang
Cyclobalanopsis hypargyrea (Seemen) Y. C. Hsu & H. W. Jen; Quercus glauca Thunberg var. hypargyrea Seemen; Q. hypargyrea (Seemen) C. C. Huang & Y. T. Chang.
Trees to 12 m tall. Branchlets sulcate, lenticellate. Petiole 1-2.7 cm; leaf blade oblong-elliptic to elliptic-lanceolate, 7.5-15.5 × 2.5-5.5 cm, abaxially grayish green, waxy, and with prostrate simple hairs but glabrescent, base cuneate to subrounded, margin apical 2/3 sharply serrate, apex acute to acuminate; secondary veins 10-15 on each side of midvein; tertiary veins abaxially obscure. Infructescences 1-2 cm, 2-6-fruited. Cupule cupular, ca. 8 mm × 1-1.5 cm, enclosing less than 1/2 of nut, outside thinly grayish brown puberulent, inside whitish sericeous, wall less than 1 mm thick; bracts in 6 or 7 rings, margin subentire. Nut oblong-ovoid, ca. 1.8 × 1 cm, glabrous; scar 3-5 mm in diam., flat or convex; stylopodium persistent, ca. 1.5 mm in diam. Fr. Oct-Nov of following year from fl.
* Often in pure stands in mountains; 1000-2000 m. S Anhui, Fujian, NE Guangxi, W Hubei, Hunan, Jiangxi, Shaanxi, E Sichuan
Quercus neglecta — # Xina, Vietnam.
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Quercus ningangensis — # Xina.
45. Cyclobalanopsis ningangensis W. C. Cheng & Y. C. Hsu in Y. C. Hsu & H. W. Jen, Acta Bot. Yunnan. 1(1): 146. 1979.
宁冈青冈 ning gang qing gang
Quercus ningangensis (W. C. Cheng & Y. C. Hsu) C. C. Huang.
Trees to 15 m tall. Branchlets gray, sparsely hairy. Petiole 1.5-3 cm, dark when dry, basally tomentose; leaf blade oblong-elliptic, elliptic, or ovate-lanceolate, 8-13 × 2-4 cm, abaxially densely with gray, shortly stellate hairs, base rounded to broadly cuneate, margin glandular serrate, apex acuminate to caudate; midvein impressed; secondary veins 13-15 on each side of midvein, adaxially slightly raised, fusing at serration. Female inflorescences borne in axil of a higher leaf, solitary, 1.5-2 cm, cupules 7-10 but usually only 2 or 3 fertile. Cupule cupular, ca. 5 mm × 1 cm, outside sparsely gray hairy, inside gray sericeous, wall ca. 1 mm thick; bracts in 6 or 7 rings. Nut tawny, oblong-ellipsoid, 1.5-2 × 0.8-1.2 cm, glabrous; scar ca. 5 mm in diam., subrounded; stylopodium persistent, conspicuous.
* Guangxi, Hunan, Jiangxi
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