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Subfamily

VII. Subfam. Nepetoideae (Dumort.) Luerss. (1882).

VII. 2. Tribe Mentheae Dumort. (1827).

VII. 2. A. Subtribe Salviinae (Dumort.) Endl. (1838).

Description

Shrub, cauliflorous, densely hairy, with dendroid and simple hairs; leaves bullate, serrate, petioles unwinged; inflorescences axillary, borne on bare stems below leaves, forming short, racemoid thyrses, cymes single-flowered; bracts caducous; bracteoles inconspicuous; flowers medium-sized, pedicellate; calyx actinomorphic to weakly 2-lipped, 5-lobed, bright blue, lobes subequal, deltoid, tube broadly campanulate, membranous, accrescent; corolla 2-lipped, 5-lobed (4/1), ?red, posterior lip with 2 median lobes, separated by short sinus, lateral lobes rounded, almost obsolete, anterior lip rounded, tube short, exannulate; stamens 4, didynamous, ascending, long-exserted, filaments curved, thecae 2, strongly divergent, confluent, elongate; stigma-lobes short, subequal; disc fleshy, scarcely lobed; nutlets ovoid, smooth, black, with minute basal scar.  One species: the rarely collected C. mecistandrum Donn. Sm. is known only from S Mexico (Chiapas) and Guatemala. 

Distribution

Native to:

79 Mexico
80 Central America

Publication

Chaunostoma Donn. Sm., Bot. Gaz. 20: 9, t.3 (1895).

Image resource

Royal Botanic Gardens, Kew

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