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Chinese Plant Names | Family List | Loganiaceae | Mitrasacme

Mitrasacme pygmaea R. Br.


Description from Flora of China

Annuals or perennials, 5--20 cm tall. Stems terete, erect or creeping, simple, branched, or caespitose, basally densely white hirsute, apically glabrous or glabrescent; internodes shorter to longer than leaves. Leaves opposite, usually at least some and occasionally all in a dense whorl, subsessile; leaf blade ovate, oblong, or linear-lanceolate, 2--13 X 1--5 mm, herbaceous, abaxially hirsute on midvein, adaxially hirsute but glabrescent, rarely both surfaces ± glabrous, base broadly cuneate to attenuate, margin hirsute, apex obtuse to acuminate, lateral veins 3 inconspicuous pairs. Inflorescences terminal, sometimes also subterminal, long pedunculate, umbel-like, often irregularly compound, rarely reduced to a single long pedicellate flower; bracts ovate to ovate-lanceolate, ca. 3 mm, ciliate. Pedicel 5--9 mm. Calyx 1.5--2.8 mm; lobes narrowly triangular, as long as tube. Corolla white, pale yellow or rarely bluish white, campanulate, 3--8 mm, inside often sparsely bearded; lobes suborbicular, to 1.5 mm. Stamens included; filaments 1.5--3 mm; anthers narrowly ovate to sagittate, apex acute. Pistil to 4.5 mm. Ovary ca. 1 mm. Styles free for lower 1/4 to 1/3; stigma 2-cleft. Fruiting pedicel ca. 1.5 cm. Capsules subglobose, ca. 3 mm in diam., base enclosed by calyx, apex opening by loculicidal slits; style free or connate toward apex. Seeds ellipsoid to angular, minutely reticulate to papillate. Fl. May-Aug, fr. Aug-Dec.

200--600 m. Anhui, Fujian, Guangdong, Guangxi, Guizhou, Hainan, Hunan, Jiangsu, Jiangxi, Taiwan, Yunnan, Zhejiang [India, Indonesia, Japan, Korea, Malaysia, Myanmar, Nepal, Philippines, Thailand, Vietnam; Australia].


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