Equilabium Mwany., A.J. Paton & Culham, Bot. J. Linn. Soc. 188(4): 367. 2018
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https://dx.doi.org/10.3897/phytokeys.129.34988 |
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persistent identifier |
https://treatment.plazi.org/id/8C5FF8F2-2076-54C2-B8BF-E28B2052CE1D |
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scientific name |
Equilabium Mwany., A.J. Paton & Culham, Bot. J. Linn. Soc. 188(4): 367. 2018 |
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Equilabium Mwany., A.J. Paton & Culham, Bot. J. Linn. Soc. 188(4): 367. 2018 Figs 6 View Figure 6 , 7 View Figure 7
Type species.
Equilabium laxiflorum (Benth.) Mwany., A.J.Paton & Culham.
Description.
Annual or perennial herbs or soft wooded shrubs, rarely woody shrubs, sometimes with a persistent woody or fleshy rootstock. Leaves opposite. Inflorescence thrysoid, usually lax; cymes sessile or pedunculate, 1 –3(– 5, very rarely -7); bracts subtending cymes persistent. Flowers pedicelate. Calyx funnel-shaped, straight with pedicel attaching symmetrically at the calyx base, not opposite posterior lip, two-lipped; throat glabrous within, open; posterior lip 1-lobed, usually broader than anterior lobes, shortly decurrent on tube or not; anterior lip 4-lobed; lobes triangular or lancolate; lateral lobes broader or equal to median lobes and held midway between the posterior lobe and the median lobes of the anterior lip; median lobes triangular to lanceolate. Corolla two-lipped with lips equal in length; tube sigmoid, sometimes strongly so, narrow and parallel-sided at base and expanding towards throat; posterior lip 4-lobed erect or ascending; anterior lobe horizontal, cucullate, sometimes frilled at apex. Stamens 4; filaments not fused together, held within the anterior lip. Style bifid with lobes subulate. Nutlets ovoid.
42 species mainly in Tropical Africa but including two in India.
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