腺葉楊桐（新種），腺葉楊桐為喬木，高10-20米;幼枝無毛，一年生枝灰褐色;頂芽被黃色絹毛。
基本介紹
- 中文名：腺葉楊桐（新種）
- 高：10-20米
腺葉楊桐（新種）
Adinandra nigroglandulosa L. K. Ling, sp. nov.
Haec. species differt omnino speciebus ovaria glabra, stylis glabris simplicibus, indivisis, laminis subtus dense rubris glandulosis, illa valde proxima A. grandis, a qua gemmis terminalibus paulo pubescentibus, laminis minoribus, margine obtuse serrulatis, flo-re vulgo simplici, axillari, pedicellis et extus sepalis laxe pubescentibus, staminibus circa 32, filamentis supra mediis pilosis.
Arbor 10-20 m alta; rami teretes, ramulis griseo brunneis, glabris, hornotinis russis, glabris vel primo Paulo adpresso-pubescentibus, mox delapsis glabrescentibus; gemmae terminales arguste coniciformes, adpreso-pubescentes griseae vel griseo-flavae. Folia alterna, coriacea, oblongo-elliptica vel elliptica, 9.5-14 cm longa, 3.5-5.5 cm lata, apice acuminata vel in formes breviter acuminatas contrata, basi nunc late cuneata, nunc cuneata, rnargine obtuse serrulata, supra subtusque, glabra, siccitate supra fulvo-viridia, subtus fulvo-viridula, dense russo-glandula, costa media supra impressa, subtus elevata, nervis lateralibus 11-13-jugis, siccitate supra subtusque distinctiis paulo elevatis; petioli 1.5-2 cm longi, glabri vel primo laxe pubescentes, tum glabrescentes. Flos vulgo singularis, raro 2-3 axillaris; pedicelli 1-1.5 cm longi, cernui, laxe pubescentes; bracteolae 2, deciduae, vix bracteolarum delapsarum cicatricibus nolatae; sepala oblonga vel oblong-ovata, 2-3. 5 mm longa, 2-3 mm lata, apice orbicularia, paulo depressa et apiculat, margine sericea, interdum glandulosa, extus laxe fulvoadpresso-pubescentia; petala 5, lactea（lactinea）, late obovata vel oblongo-lato-obovata, 8-10 mm longa, 6-7 mm lata, apice rotundata, saepe paulo depressa, extus glabra; stamina circa 32, 4-6 mm longa, filamenta 2-3.5 mm longa, sublibera, basi corollae inserta, vix supra medi-um dense pilosa, infra medium glabra, antherae ovoideae, circa 1.5 mm longae, pilosae, apice apiculatae, circa 1 mm. longae; ovarium ovato-rotundatum, glabrum, 3-loculare, ovulis in quoque loculo plurimis, stylus simplex, 4-6 mm longus, glaber. Fructus ovato-rotundatus vel globosus, non omnino maturus, circa 9 mm diam. , stylus persistens circa 8 mm longus; semina in quoque loculo 8-9, brunnea, nitida, testae reticulatae.
Yunnan: Hekau Shi（河口市）, alt. 1520 rn, in dense forest, Aug. 10, 19599 tree 10 m. high, D. B. H.（胸高直徑）10 cm, f lovcrers white, fruits green, Liu Wei-xin（劉偉心）573 （type PE）; Malipo Xian（麻栗坡縣）, alt. 1500-1700 m, in dense forest, Dec. 13, 1947, tree, 10 m. high, fruit green, Feng Kuo-mei（馮國楣）13808; Xichou Xian（西疇縣）, alt. 1300 m, in dense bushed, Dec. 11, 1932, tree, 20 m. high, fruit green, Wang Chi-wu（王啟無）85557; same locality, alt. 1300 m, Dec. 11, 1939, fruit green, Wang Chi-wu（王啟無）85558; without locality, Feng Kuo-mei（馮國楣）12325.
