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

9. Staurogyne brachystachya Benoist, Bull. Mus. Natl. Hist. Nat., sér. 2. 5: 174. 1933.

短穗叉柱花 duan sui cha zhu hua

Herbs to 80 cm tall. Stems subterete, sulcate, brown pubescent. Petiole 0.5-2 cm, brown pubescent; leaf blade lanceolate to ovate-lanceolate, 3-8 × 1-1.6 cm, both surfaces glabrous, abaxially pale green but brown when dry, adaxially green, secondary veins 8-10 on each side of midvein, base narrowly cuneate, margin irregularly undulate, apex acute. Racemes axillary or terminal, 2-4 cm, 3-5-flowered; peduncle and rachis glabrous; bracts linear, 2.3-5 mm, thickened, 1-veined, glabrous; bracteoles linear, 2.3-3 mm, glabrous, 1-veined. Pedicel 1.2-1.6 cm, glabrous. Calyx 0.9-1.1 cm, glabrous except margin slightly ciliate with gland-tipped trichomes; lobes linear, 7.5-9 × ca. 1 mm, subequal, apex acuminate. Corolla white, 1-1.4 cm, glabrous; lobes orbicular, ca. 2 mm in diam. Stamens with longer pair 7-9 mm and shorter pair 6-8 mm; filaments pubescent (especially apically); anther thecae with a long tie-shaped appendage, apex hirsute; staminode small. Ovary glabrous; style ca. 1 cm, glabrous; stigma 2-lobed. Capsule not seen. Fl. Mar-Apr.

Forests; 800-1200 m. Guangxi, Yunnan [Vietnam].


 

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