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FOC | Family List | FOC Vol. 17 | Lamiaceae

37. Stachyopsis Popov & Vvedensky, Trudy Turkestansk. Naucn. Obsc. 1: 122. 1923.

假水苏属 jia shui su shu

Herbs perennial, erect. Leaves sessile or petiolate, simple; leaf blade coarsely serrate. Verticillasters many flowered, numerous, remote or in spikes; bracteoles spinescent to linear-lanceolate, rigid or flaccid. Calyx obconical, 10-veined; teeth 5, equal, triangular, puberulent or silky-villous outside, glabrous inside, apex spinescent. Corolla reddish, 2-lipped; tube with oblique, interrupted villous annulus on basal 1/3 inside; upper lip erect, ovate, margin entire, densely villous outside, glabrous inside; lower lip spreading, glabrous, 3-lobed; middle lobe circular to obovate, apex emarginate; lateral lobes ovate. Stamens 4, ascending to underside of upper lip of corolla, anterior 2 longer, glabrous, posterior 2 puberulent; anthers ovoid, cells 2, divaricate. Style apex equally 2-cleft, lobes subulate. Disc apex truncate, undulate. Nutlets oblong, triquetrous, apex obliquely truncate, glabrous.

Three species: China, Kazakhstan, Kyrgyzstan, Tajikistan.

1 Mid and basal stem leaves petiolate; petiole 0.5-3 cm; calyx subglabrous or appressed puberulent   3 Stachyopsis oblongata
+ Stem leaves sessile; calyx silky-villous.   (2)
2 (1) Leaf base cordate; bracteoles and calyx teeth flaccid; upper corolla lip densely villous, lateral lobes of lower corolla lip ca. 1/2 as long as middle lobe   1 Stachyopsis lamiiflora
+ Leaf base cuneate; bracteoles and calyx teeth rigid; upper corolla lip sparsely villous; lateral lobes of lower corolla lip ca. 1/3 as long as middle lobe   2 Stachyopsis marrubioides

Lower Taxa


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