Malachra fasciata Jacq.
Description
Herbs or subshrubs 0.5-1 (-2) m tall, the stems hispid with pungent hairs 2~4 (-7) mm long, the herbage often suffused with red. Leaf blades mostly 5-15 cm long, ovate, usually lobed or deeply parted, the lobes not constricted basally (the lobes ovate if shallowly lobed, more or less linear-lanceolate if deeply parted), the sinuses more or less acute, truncate, crenate-serrate, acute, sparsely hispid, the hairs often appressed; petioles 1/4-3/4 the length of the blades; stipules 10-25 mm long. Inflorescences short-pedunculate, axillary few-flowered heads with two or more specialized floral bracts immediately below the heads; bracts lance-ovate (longer than wide), acute, prominently costate basally with at least some whitish intercostal tissue, prominently hispid; involucel absent; calyx 4-5 mm long, with whitish intercostal areas; petals 6-8 mm long, white (rarely lavender). Mericarps ca. 3 mm long, brownish, smooth with reticulate veins, minutely puberulent to glabrous. Chromosome number: 2n = 112.A
Distribution
México (país) Nativo y no endémicoA
Habitat & Ecology
Widely distributed in southern Mexico at low elevations, often in weedy situations and secondary growth in wet soil, and flowers throughout the year. A
Tipo de vegetación
No especificadoA
Categoría IUCN
No incluidaB
Categoría NOM-059-SEMARNAT-2010
No incluidaC