Pflanzenwissen · Art
Description: — Herb to subshrub 30 – 50 cm tall; rhizome elongate, mainly supraterraneous; stem 4 – 5 mm thick, glabrous to sparsely puberulous, internodes up to 1 – 3 cm long.
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Description: — Herb to subshrub 30 – 50 cm tall; rhizome elongate, mainly supraterraneous; stem 4 – 5 mm thick, glabrous to sparsely puberulous, internodes up to 1 – 3 cm long. Leaves in spiral: lamina oblong-cordate 14 – 20 x 10 – 12 cm, chartaceous, apex acute, base cordate, margin entire to denticulate; adaxial side glabrous; abaxial side puberulous, lateral veins 6 – 7 pairs, tertiary venation reticulate; petiole 10 – 12 cm long, puberulous; stipules persistent, ovate to oblong acuminate, 5 – 8 mm long, plurinerveous, coriaceous, glabrous to puberulous. Coenanthium reddish; peduncle 4 cm long, diminutely puberulous; receptacle centrally attached, pateliform, 1 – 1,2 cm in diameter, outside dark green, minutely puberulous, internal side purplish, external side dark green, minutely puberulous; internal side purplish, glabrous to minutely puberulous, margin reddish, undulate; fringe to 0,4 mm long, long-appendiculate, appendages 9 – 17, 1 submarginal row, clavate, 0,5 – 1 cm long, reddish, puberulous short and long intercalate, usually with a green bract on its apex; staminate flowers among the pistillate flowers; tepals 2, stamens 2, puberulous, filament long; stigmas 2. Endocarp body not observed.
Fig. 2.
Pflege
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Heimisch
Brasilien
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Brazil Southeast
Distribution and Habitat: — Dorstenia acangatara is known only from two localities, from municipality of Caratinga, east Minas Gerais state and Alegre, south of Espírito Santo state, in Brazil, at elevations from 850 to 990 m in montane rainforest (collections marked by black dots in Fig. 3). This species is a camephyte from shady and moist areas, which occur in litter soils, inside forests of the type locality. The new species is endemic to southeastern Brazil, found in the understory of wet tropical rainforest.