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FOC | Family List | FOC Vol. 17 | Lamiaceae

21. Marmoritis Bentham, Bot. Misc. 3: 377. 1833.

扭连钱属 niu lian qian shu

Phyllophyton Kudo

Herbs perennial, villous, rhizomatous or stoloniferous. Stems erect or ascending. Leaves widely spaced, smaller or absent basally, overlapping upward, sessile or subsessile; leaf blade subcircular to reniform-ovate, papery. Verticillasters apical, obscured by upper leaves; bracts small, linear-subulate. Calyx tubular, straight or slightly curved, 15-veined, tube villous annulate inside, ± 2-lipped, upper lip 3-toothed, lower lip 2-toothed. Corolla tubular, gradually dilated at apex, exserted, usually resupinate, 2-lipped; upper lip (apparent lower lip when corolla resupinate) straight, 2-lobed; lower lip (apparent upper lip when corolla resupinate) 3-lobed, middle lobe slightly cuculate, lateral lobes oblong to oblong-ovate. Stamens 4, didynamous, anterior 2 (posterior when corolla resupinate) shorter, included, posterior 2 sometimes long exserted; anther cells 2, divergent. Ovary glabrous. Style slender, apex 2-cleft. Nutlets oblong-ovoid, smooth, base small umbonate.

About five species: China, India; all in China.

1 Corolla not resupinate; plants brown lanate   1 Marmoritis pharicus
+ Corolla resupinate; plants villous, hirsute or tomentose.   (2)
2 (1) Calyx teeth ovate to ovate-triangular; plants white villous.   (3)
+ Calyx teeth lanceolate to triangular; plants hirsute or tomentose.   (4)
3 (2) Calyx apex pilose; lobes of lower lip of corolla oblong   2 Marmoritis complanatum
+ Calyx glabrous; lobes of lower lip of corolla circular   3 Marmoritis decolorans
4 (2) Corolla 2-lipped, bluish, 1.5-1.7 cm; posterior stamens exserted   4 Marmoritis nivalis
+ Corolla regular, white, 1.9-2.2 cm; stamens included   5 Marmoritis rotundifolia

Lower Taxa


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