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FOC | Family List | FOC Vol. 19 | Acanthaceae | Staurogyne

5. Staurogyne chapaensis Benoist, Bull. Mus. Natl. Hist. Nat., sér. 2. 5: 172. 1933.

弯花叉柱花 wan hua cha zhu hua

Herbs to 10 cm tall. Stems short. Leaves in a basal rosette; petiole to 11 cm, brownish tomentose; leaf blade ovate to oblong, 2.5-14.5 × 2-6 cm, abaxially glaucous and densely hairy, adaxially green and sparsely hairy, secondary veins 7-9 on each side of midvein, base cordate, margin entire or slightly undulate, apex obtuse. Racemes terminal or axillary; peduncle ca. 4 cm, villous; rachis villous; bracts obovate to linear-spatulate, 2.5-3.5 cm, abaxially villous, adaxially glabrous; bracteoles linear-spatulate, ca. 5 × 1.6 mm, abaxially villous, adaxially glabrous, margin ciliate, apex obtuse. Pedicel 1.5-7 mm, villous. Calyx ca. 1 cm, outside villous, inside glabrous; lobes unequal, margins ciliate, posterior one spatulate and ca. 8 × 2 mm, lateral 2 linear and ca. 5 × 0.5 mm. Corolla light bluish purple, ca. 1.5 cm; lobes orbicular, subequal. Stamens with longer pair ca. 2 mm and shorter pair ca. 1.1 mm; filaments glabrous; anther thecae subequal, base with a rectangular appendage. Ovary ellipsoid, ca. 2 mm, glabrous; style ca. 5.5 mm, glabrous. Capsule obovoid-ellipsoid, ca. 6 mm. Fl. Mar-May, fr. Jul-Aug.

Forests; 1000-2000 m. Guangdong, Guangxi, Hunan, Yunnan [Vietnam].


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