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FOC | Family List | FOC Vol. 19 | Campanulaceae | Lobelia

3. Lobelia heyneana Schultes, Syst. Veg. 5: 50. 1819.

翅茎半边莲 chi jing ban bian lian

Lobelia trialata Buchanan-Hamilton ex D. Don; L. trialata var. asiatica Chiovenda.

Herbs, annual, 10-50(-60) cm tall. Stems erect, 3-angular, winged, glabrous, branched. Leaves alternate; petiole 1-4 mm, winged; blade broadly deltoid-ovate, 0.8-2.5 × 0.4-2.5 cm, upper ones smaller and more narrow, abaxially glabrous, adaxially sparsely puberulent, base truncate or shallowly cordate, often decurrent, apex rounded or acute. Flowers solitary, axillary at leaflike bracts, often forming a raceme; bracts narrowly elliptic, shorter than pedicels; pedicels 1-1.5(-2) cm, slender, with 2 bracteoles at base; bracteoles subulate, less than 1 mm, often caducous. Hypanthium campanulate, 1-2 mm, glabrous; calyx lobes longer than hypanthium at anthesis, but shorter than tube after anthesis, subulate, 2-3 mm, entire. Corolla pale purple, 3-5 mm, inside sparsely puberulent; limb 2-lipped, upper lobes erect, linear, less than 1 mm; lower lobes spreading, elliptic to suborbicular, ca. 2 mm. Stamens connate into tube above middle of filaments; anther tube ca. 1 mm, lower 2 anthers barbate at top. Capsule oblong or obovoid-oblong, 4-5 × 2-4 mm. Seeds pale red-brown, ellipsoid, slightly compressed, smooth. Fl. and fr. Jan-Dec.

Moist places; 500-2700 m. Taiwan, Yunnan [Bhutan, India, Indonesia, Laos, Myanmar, Nepal, New Guinea, Philippines, Sri Lanka, Thailand, Vietnam; Africa].


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