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FOC | Family List | FOC Vol. 15 | Styracaceae | Styrax

25. Styrax suberifolius Hooker & Arnott, Bot. Beechey Voy. 196. 1841.

栓叶安息香 shuan ye an xi xiang

Trees 4--20 m tall. Branchlets red-brown to gray-brown stellate tomentose. Leaves alternate; petiole 1--1.5(--2) cm, nearly 4-angled; leaf blade elliptic, oblong, or elliptic-lanceolate, 5--15(--18) X 2--5(--8) cm, leathery, abaxially densely brownish stellate tomentose, adaxially subglabrous or primary vein sparsely stellate pubescent, base cuneate, margin subentire, apex acuminate and sometimes slightly curved, secondary veins 5--12 pairs, tertiary veins subparallel. Inflorescences terminal or axillary, racemes or panicles, many-flowered, 6--12 cm. Pedicel 1--3 mm. Flowers 1--1.5 cm. Calyx 3--5(--7) X 2--4(--7) mm, densely gray-yellow tomentose mixed with few stellate hairs; teeth ± rudimentary, deltoid to undulate. Corolla tube ca. 3 mm; lobes 4, occasionally 5, lanceolate to oblong, 8--10 X 2--3 mm. Stamens 8--10, shorter than corolla; filaments expanded, stellate pubescent on free part. Fruit ovoid-globose, 1--1.8 cm in diam., densely gray to brown stellate tomentose, 3-valvate dehiscent with persistent calyx enclosing to middle. Seeds brown, glabrous. Fl. Mar-May, fr. Aug-Nov.

100--3000 m. Anhui, Fujian, Guangdong, Guangxi, Guizhou, Hainan, Hubei, Hunan, Jiangsu, Jiangxi, Sichuan, Taiwan, Yunnan, Zhejiang [Myanmar, Vietnam].

1 Leaf blade abaxially brownish tomentose   25a var. suberifolius
+ Leaf blade abaxially densely grayish white tomentose   25b var. hayataianus

Lower Taxa


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