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FOC | Family List | FOC Vol. 17 | Lamiaceae

34. Galeobdolon Adanson, Fam. Pl. 2: 190. 1763.

小野芝麻属 xiao ye zhi ma shu

Matsumurella Makino.

Shrubs or annual or biennial herbs. Leaves petiolate; blade margin dentate. Verticillasters 2-8-flowered; bracts shorter than calyx, linear, early deciduous. Calyx campanulate, hairy outside, glabrous except for hairy teeth inside, 5-veined; teeth 5, lanceolate, posterior 3 slightly larger than anterior 2. Corolla purple-red or reddish, 1.5-2 × as long as calyx, 2-lipped, hairy especially on upper lip outside; tube slightly exserted, hairy annulate inside; upper lip straight, oblong, rarely obovate, emarginate, rarely as long as tube; lower lip spreading, 3-lobed, middle lobe obcordate to obovate, lateral lobes subcircular to ovate. Stamens 4, anterior 2 longer; anthers ovoid, cells 2, divaricate. Ovary lobes truncate, glabrous or rarely minutely hispid at apex. Style apex subequally 2-cleft. Nutlets triquetrous, oblong, obovoid, to obconical, base attenuate, apex subtruncate, glabrous or short hairy.

About six species: one in Europe and SW Asia, five in China, among them one also in Japan.

Galeobdolon is often included in Lamium.

1 Verticillasters 2-flowered; flowers conspicuously pedicellate; apex of ovary lobes sparsely hirtellous; herbs or shrubs.   (2)
+ Verticillasters 2-8-flowered; flowers subsessile; ovary glabrous; slender herbs with tuberlike roots.   (3)
2 (1) Shrubs; leaves dark olive green adaxially, midrib densely appressed pilose; flowers on short, leafy axillary shoots   4 Galeobdolon yangsoense
+ Herbs; leaves yellow-brown adaxially, midrib densely appressed minute hispid-pilose; flowers solitary in axils   5 Galeobdolon kwangtungense
3 (1) Plants with slender stolons at base; leaves rhombic-ovate, 1.7-4.2 × 1.1-3 cm, coarsely serrate   3 Galeobdolon szechuanense
+ Plants without slender stolons; leaves ovate, ovate-oblong to broadly lanceolate or ovate-rhombic, crenate-serrate.   (4)
4 (3) Herbs 10-20 cm tall; taproots tuberous; leaves ovate-rhombic, 1-2 × 0.8-1.6 cm; lower lip of corolla spotted   2 Galeobdolon tuberiferum
+ Plants 10-60 cm tall; roots sometimes tuberlike; leaves ovate-oblong to broadly lanceolate, 1.5-4 × 1.1- 2.2 cm; corolla not spotted   1 Galeobdolon chinense

Lower Taxa


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