Erigeron karvinskianus DC.

Compositae, H. Beentje, C. Jeffrey & D.J.N. Hind. Flora of Tropical East Africa. 2005

Morphology General Habit

Perennial herb 30–75 cm long, procumbent and forming interlaced mats, but with erect flowering branches, stoloniferous (fide Lisowski), densely branched; stems often with a purple tinge, slender, slightly angled, sparsely pilose.

Morphology Leaves

Leaves alternate or in axillary fascicles, sessile or with petioles to 3 mm long, the proximal leaves 3–5-lobed, with obtuse and mucronate lobes, more distal leaves narrowly elliptic, 0.5–3(–5) cm long, 0.3–1.5(–2) cm wide, cuneate at the base, margins entire or at most with 2 teeth, acute with a callous tip, sparsely pilose on both surfaces, glabrescent, 3-nerved from base.

Morphology Reproductive morphology Inflorescences Capitulum

Capitula terminal, usually solitary but occasionally in lax panicles of up to 5 heads, hemispheric, 7–8 mm long, 15–22 mm in diameter; peduncle to 9 cm long, glabrous proximally and becoming pubescent distally; phyllaries 50–80, subequal, lanceolate, 2–4 mm long, 0.3–0.5 mm wide, margins narrowly membranous and minutely serrulate, acuminate, sparsely pilose; receptacle flat or convex.

Morphology Reproductive morphology Flowers Florets

Ray florets 1-seriate, with cylindric tube, 1–1.5 mm long, rays white above, pink beneath, linear to oblanceolate, 5–6 mm long, 0.5–1 mm wide, obtuse, style 2.2 mm long; disc florets many, yellow, tube 1.5–2.5 mm long, lobes 0.3–0.5 mm long, anthers 1–1.3 mm long, style 2.5–3 mm long.

Morphology Reproductive morphology Fruits

Achenes pale brown, ellipsoid, compressed, 1–1.5 mm long, pilose; pappus of white barbellate setae 1.5–3 mm long.

Figures

Fig. 101 (page 480).

Habitat

Along roadsides, in clearings, on cultivated fields, but usually within the montane forest zone; (850–)1500–2400 m

Distribution

K3 K4 K7 T2 T3 T6 T7 U2 originally from Central America but now a widespread weed in the colder and wetter parts of the tropics

Extinction risk predictions for the world's flowering plants to support their conservation (2024). Bachman, S.P., Brown, M.J.M., Leão, T.C.C., Lughadha, E.N., Walker, B.E. https://nph.onlinelibrary.wiley.com/doi/full/10.1111/nph.19592

Conservation

Predicted extinction risk: not threatened. Confidence: confident

Bernal, R., Gradstein, S.R. & Celis, M. (eds.). 2015. Catálogo de plantas y líquenes de Colombia. Instituto de Ciencias Naturales, Universidad Nacional de Colombia, Bogotá. http://catalogoplantasdecolombia.unal.edu.co

Distribution

Adventicia en Colombia; Alt. 1500 - 3150 m.; Andes.

Morphology General Habit

Hierba

Conservation

No Evaluada

The Useful Plants of Boyacá project

Ecology

Alt. 1500 - 3150 m.

Morphology General Habit

Herb.

Distribution

Introduced in Colombia.

Use Medicines Unspecified Medicinal Disorders

Medicinal (Instituto Humboldt 2014).