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Achyrospermum Blume

Genus

Angiosperms > Lamiales > Lamiaceae

Characteristics

Herbs, prostrate at base. Leaves numerous, petiolate, margin dentate. Verticillasters ca. 6-flowered, in axillary or terminal spikes; floral leaves generally reduced to ovate bracts slightly longer than calyx. Calyx tubular-campanulate, pouched in fruit, straight or curved downward, herbaceous, 10-15-veined; teeth 5, subequal or limb ± 2-lipped and upper lip 3-toothed and lower lip 2-toothed. Corolla tube nearly included or much exserted, straight or curved downward, slightly dilated at apex, 2-lipped; upper lip short, straight, emarginate or 2-lobed; lower lip longer, spreading, 3-lobed, lobes ovate; middle lobe largest, entire or 2-lobulate. Stamens 4, anterior 2 longer, reaching upper corolla lip; anther cells 1 or 2, divaricate, apex confluent if 2. Style apex 2-cleft, posterior lobe short. Disc shallowly cupulate, crenate. Nutlets obovoid to oblong-ovoid, densely scaly.
More
Undershrubs or herbs. Stems terete to obscurely 4-angled, pubescent. verticillasters few-flowered, usually forming a terminal, spike-like inflorescence. Calyx 10-nerved, tubular-campanulate, 5-toothed, ± 2-lipped, the upper lip slightly longer. Corolla slender, 2-lipped, the upper (or posterior) lip short, erect, notched; the lower (or anterior) lip 3-lobed, the midlobe often concave. Stamens 4, under the upper lip in 2 pairs, the lower (or anterior) pair longer; anthers 2-celled, cells parallel. Disk equal-sided. Styles briefly 2-fid. Nutlets scaly and chaffy on the ventral surface and on the top, rough and pubescent on the dorsal surfaces.
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Growth form herb
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Foliage retention deciduous
Sexuality hermaphrodite
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Hardiness (USDA) 9-12

Usage

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Cultivation

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Images

Achyrospermum unspecified picture

Distribution

Achyrospermum world distribution map, present in Angola, Burkina Faso, Bangladesh, Central African Republic, China, Congo, Cabo Verde, Eritrea, Ethiopia, Gabon, Ghana, Guinea, Kenya, Liberia, Madagascar, Myanmar, Mozambique, Nigeria, Nepal, Philippines, Rwanda, Sudan, Sierra Leone, Seychelles, Thailand, Tanzania, United Republic of, Uganda, Zambia, and Zimbabwe

Identifiers

LSID urn:lsid:ipni.org:names:20632-1
WFO ID wfo-4000000266
COL ID 8VT72
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Achyrospermum

Lower taxons

Achyrospermum aethiopicum Achyrospermum ciliatum Achyrospermum cryptanthum Achyrospermum fruticosum Achyrospermum laterale Achyrospermum oblongifolium Achyrospermum purpureum Achyrospermum tisserantii Achyrospermum africanum Achyrospermum micranthum Achyrospermum parviflorum Achyrospermum schlechteri Achyrospermum seychellarum Achyrospermum urens Achyrospermum schimperi Achyrospermum dasytrichum Achyrospermum erythobotrys Achyrospermum scandens Achyrospermum axillare Achyrospermum carvalhoi Achyrospermum wallichianum Achyrospermum densiflorum Achyrospermum mildbraedii
WorldFloraDB 2024