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Photos: de Kok, R.

Subfamily

III. Subfam. Ajugoideae Kostel. (1834).

Subfam. Teucrioideae (Dumort.) Caruel (1884).

Description

Lianas; leaves opposite, petiolate, ovate, entire; inflorescence axillary, cymose, lax; bracts showy, orange; calyx 4-lobed, basically actinomorphic but often forming two 2-lobed lips due to incomplete separation of lobes, not accrescent; corolla orange, zygomorphic, 4-lobed, lobes erect, anterior and lateral lobes similar, obovate, posterior lobe longer, oblong; stamens 4, didynamous, long-exserted, filaments arched, thecae parallel, separate at dehiscence; pollen with supratectal spinules; ovary shallowly 4-lobed; stigma-lobes very short, equal; disc absent; fruit dry (or very slightly fleshy?), the lobes elongating greatly, eventually separating into potentially 4 (but usually fewer due to abortion) large, fusiform, 1-seeded mericarps with apex acute, mericarp attachment-scar basal; endosperm absent.  One species, Hosea lobbiana (Clarke) Ridl., Sarawak and Brunei.

Distribution

Native to:

42 Malesia

Synonyms

Hoseanthus Merr., J. Straits Branch Roy. Asiat. Soc. 76: 114 (1917), nom. illeg.

Publication

Hosea Ridl., J. Straits Branch Roy. Asiat. Soc. 50: 124, 125 (1908).

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Image resource

Royal Botanic Gardens, Kew