闊葉楊桐（新種）檢視原始碼討論檢視歷史
| 闊葉楊桐（新種） |
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簡介
闊葉楊桐（新種），學名 Adinandra latifolia L. K. Ling, sp. nov. Species A. megaphyllae Hu et A. caudatae Gagnep. similis, aprior foliis 14-25 cm longis, 4-7 cm latis, margine serrulatis, nervis lateralibus utrinsecus 20-24, pedicellis 2-4 cm longis, stylis circ. 10 mm longis, pubescentibus differt; posterior foliis lanceo-latis vel oblongo-lanceolatis, 8-14 cm longis, 2.5-4.5 cm latis, nervis lateralibus utrin-secus 8-10, pedicellis 2-3 cm longis, stylis 3-5 mm longis, pubescentibus distincta.
Arbor 10-15 m alta, trunco circ. 30 cm crasso; cortice griseo; ramulis teretibus griseo-brunneis, glabris, hornotinis et gemmis terminalibus dense fulvo-brunneis adpres-so-pubescentibus.
Folia coriacea, oblongo-elliptica, 14-18 cm longa, 4-4.5 cm lata, apice breviter acuminata vel acuta, basi cuneata, margine integra vel interdum sparsirn glandulo-serrulatas, in sicco leviter revoluta, supra pervirdia, glabra, subtus fulvo-viridia, adpresso-pubescentia, costa supra impressa, subtus elevata, nervis lateralibus utrinsecus 15-18, supra inconspicuis vel prominulis, subtus prominentibus petiolis circ. 5 mm longis, dense pubescentibus；
Flores in axillis foliorum singuli, raro bini; pedicelli crassi, circ. 1 cm. longi, dense pubescentes; bracteolae 2, ovatae, 3-5 mm longae, persistentes; sepala 5, ovato-orbiculata vel ovata, 8-10 mm longa, 6-9 mm lata, apice rotundata vel interdum apiculata, extus dense sericeo-pilosa;
petala 5, obovata vel obova-to-oblonga, 10-12 mm longa, 5-6 mm lata, apice orbiculata, extus medio dense fulvo-brunneo-sericea; stamina 30-35, 7-8 mm, longa, filamentis glabris, 2-3 mm longis, subliberis, antheris oblongis 3.5-4.5 mm longis, pubescentibus, apiculatis;
ovarium dense sericeum, globosum, 5-6-loculare, ovulis in quoque loculo multis, stylo singulari circ. 8 mm longo, glabro. Bacca ovato-globosa, 1-1.3 cm in diam. , dense sericea, sepalis persistentibus 10-12 mm longis, pubescentibus, stylo persistent circ. 10 mm longo. Semina, compresso-renif ormia; testa brunnea reticulata.
產地生境
Yunnan: Gongshan Xian（貢山縣）, alt. 1300 m, in dense forest, Sept. 25, 1938, tree, 30 m high. fruit green, Yu Te-tsun（俞德浚）20427 (type, PE); Gongshan Xian（貢山縣）, Drungzu jiang（獨龍江）, in forest on river bank, Sept. 14, 1956, tree. 15m high, fruit green, P. I. Mao（毛品一）447; same locality, Nov. 19, 1959, tree, 15m. high, 30 cm D. B. H.（胸高直徑）, bark gray, Feng Kuo-mei（馮國楣）24366.