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FOC | Family List | FOC Vol. 17 | Lamiaceae

14. Lagopsis (Bunge ex Bentham) Bunge, Mém. Acad. Imp. Sci. St.-Pétersbourg Divers Savans. 565. 1835.

夏至草属 xia zhi cao shu

Herbs diffuse or ascending, perennial. Leaves circular to cordate, palmately lobed or divided. Verticillasters axillary; bracteoles needlelike. Flowers small. Calyx tubular to tubular-campanulate, 5-10-veined; teeth 5, unequal, 2 slightly larger, conspicuous, spreading especially in fruit. Corolla white, yellow to brown-purple, 2-lipped; tube not hairy annulate; upper lip straight, entire or emarginate; lower lip 3-lobed, spreading, middle lobe widest and cordate. Stamens 4, small, anterior 2 longer, included; filaments short; anther cells 2, divergent. Style included, apex 2-cleft. Nutlets triquetrous, ovoid, smooth, scaly to finely netted.

Four species: mainly in N Asia, three species in China.

1 Verticillasters in loose elongated spikes, not lanate; corolla white, rarely rose   3 Lagopsis supina
+ Verticillasters in compact, terminal, densely lanate spikes; corolla yellow to brown-purple.   (2)
2 (1) Corolla yellow; leaves cordate, palmately lobed; terminal spikes ovoid   1 Lagopsis flava
+ Corolla brown-purple; leaves reniform-orbicular, palmately partite; terminal spikes oblong-ovoid   2 Lagopsis eriostachys

Lower Taxa


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