Description
provided by eFloras
Plants 20-100 cm tall. Stems erect, apically branched, 4angled. Leaves sessile, ovate-lanceolate to ovate, 1-5 × 0.8-2.5 cm, base rounded, nearly clasping, and decurrent into narrow wings on stem, apex acute; veins 3-5, abaxially prominent. Pedicel 3-10 mm. Calyx 5-6 mm; lobes ovate, margin broadly membranous, apex caudate, midvein keeled. Corolla mauve-blue to lilac, 1.5-2.5 cm; tube cylindric, 4-6 mm; lobes elliptic, 1.1-1.7 cm, margin entire, apex short acuminate. Filaments linear, 1.5-2 mm; anthers 5.5-6.5 mm. Style linear, 1-1.2 cm; stigma lobes orbicular. Capsules subglobose, 4-5 mm in diam. Seeds ellipsoid, 0.7-1 mm. Fl. and fr. Jul-Sep.
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- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Distribution
provided by eFloras
Himalaya (Garhwal to Bhutan), India, S. China, Indo-China, Malaysia.
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- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Distribution
provided by eFloras
Guangdong, Guangxi, Guizhou, Jiangxi, Yunnan [Cambodia, India, Laos, Malaysia, Myanmar, Nepal, New Guinea, Philippines, Sikkim, Vietnam; Australia].
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- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Habitat
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Roadsides, meadows; 200-1500 m.
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- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Exacum tetragonum: Brief Summary
provided by wikipedia EN
Exacum tetragonum, the bicolor Persian violet, is a species of plant in the family Gentianaceae. Its natural habitat is subtropical or tropical moist grassy forests, and it blooms in late monsoon. The plant likely is pollinated mainly by butterflies and other insects.
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Media related to Exacum tetragonum at Wikimedia Commons 
