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

115. Strobilanthes rhombifolia C. B. Clarke in J. D. Hooker, Fl. Brit. India. 4: 461. 1884.

短柄马蓝 duan bing ma lan

Goldfussia sessilis Nees.

Herbs or subshrubs, strongly anisophyllous. Stems 4-angled, erect, glabrous. Petiole 0-10 mm but apical leaves sessile; leaf blade rhomboidal-elliptic, 2-15 × 1.5-10 cm, both surfaces green and with abundant cystoliths, secondary veins ca. 6 on each side of midvein, base cuneate and shortly decurrent onto petiole, margin serrate, apex acute. Inflorescences axillary, capitula borne on simple or 2(or 3)-furcately branched peduncles, 2-10 cm; peduncle sulcate, bifariously pubescent with trichomes in sulci; sterile bracts leaflike, ovate, ca. 0.5 × 0.5 mm, relatively persistent; floral bracts obovate to oblong-obovate, ca. 6 × 1.5 mm, soon scarious and caducous; bracteoles not observed. Calyx subequally 5-lobed to base; lobes linear-elliptic, 7-12 × ca. 1.2 mm, pubescent and with sessile glands. Corolla blue, 4-4.5 cm, outside sparsely gland-tipped pilose but glabrescent, inside glabrous except for trichomes retaining style; tube basally cylindric and ca. 2 mm wide for ca. 1 cm then widened to 1.2-1.7 cm at mouth; lobes suborbicular, ca. 6 × 7 mm. Stamens 4, included; filaments glabrous, shorter pair ca. 2 mm, longer pair ca. 5 mm; anther thecae obliquely ovoid, ca. 1.5 × 1.2 mm, incurved. Ovary narrowly ovoid, apically gland-tipped; style ca. 2.7 cm, slender, glabrous apart from a few trichomes on basal part. Capsule not seen. Fl. Dec.

Forests. Xizang (Cona) [India].


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