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FOC | Family List | FOC Vol. 7 | Lauraceae | Neolitsea

10. Neolitsea aurata (Hayata) Koidzumi, Bot. Mag. (Tokyo). 23: 256. 1918.

新木姜子 xin mu jiang zi

Trees, up to 14 m tall, ca. 18 cm d.b.h. Young branchlets and petioles ferruginous or yellow-brown pubescent or glabrous. Leaves alternate or clustered toward apex of branchlet; petiole 8-12 mm; leaf blade oblong, elliptic, oblong-lanceolate, lanceolate, oblanceolate, or oblong-obovate, 8-14 × 2.5-4 cm, densely golden yellow sericeous or white, yellow, brown-yellow, or red-brown sericeous abaxially when young, glabrous adaxially, triplinerved, lateral veins 3 or 4 pairs, lowermost pair arising 2-3 mm from base, base cuneate or rotund, apex acuminate or falcate-acuminate. Umbels 3-5-fascicled toward apex of branchlet or internode, 5-flowered. Pedicel ca. 2 mm. Perianth segments 4, elliptic. Male flowers: fertile stamens 6; filaments pubescent at base, of 3rd whorls each with 2 stipitate glands at base; rudimentary pistil glabrous. Fruit ellipsoid, ca. 8 × 6 mm, seated on shallowly discoid perianth tube; fruiting pedicel 5-7 mm, pilose.

Broad-leaved forests and forest margins on mountain slopes, weed-tree forests; 500-1900 m. Anhui, Fujian, Guangdong, Guangxi, Guizhou, Hubei, Hunan, Jiangsu, Jiangxi, Sichuan, Taiwan, Yunnan, Zhejiang [Japan].

Neolitsea aurata is extremely variable in leaf shape and indumentum color.


1 Young branchlets and petioles glabrous   (2)
+ Young branchlets and petioles ferruginous or yellow-brown pubescent   (3)
       
2 (1) Leaf blade sparsely yellow sericeous abaxially when young, margin not undulate, not hyaline, base not decurrent.   10d var. paraciculata
+ Leaf blade red-brown sericeous abaxially when young, margin undulate, hyaline, base decurrent.   10e var. undulatula
       
3 (1) Leaf blade often oblong-obovate, densely white appressed sericeous abaxially when young.   10c var. glauca
+ Leaf blade densely golden yellow or sparsely brown-yellow sericeous abaxially when young   (4)
       
4 (3) Leaf blade oblong, elliptic, oblong-lanceolate, or oblong-obovate, broader, more than 2.5 cm wide, densely golden yellow sericeous abaxially when young.   10a var. aurata
+ Leaf blade lanceolate or oblanceolate, narrower, less than 2.4 cm wide, sparsely brown-yellow sericeous abaxially when young.   10b var. chekiangensis

Lower Taxa


 

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