Chromolaena squalida (Dc.) R.M.King & H.Rob.

Species

Angiosperms > Asterales > Asteraceae > Chromolaena

Characteristics

Perennial erect branching herb to subshrub 1.5–2.0 m high; stems terete, pubescent. Leaves unscented when mature; petiole 2–5 mm long; lamina ovate-elliptic, 20–50 mm long, 4–25 mm wide, basally attenuate-cuneate, serrate or entire, acute, discolorous, adaxially sparsely hairy, abaxially densely tomentose, glandular. Capitula with peduncles 2–10 mm long; involucre 8 mm long, c. 2.5 mm wide; involucral bracts 6-seriate, 2–12 mm long, glabrous, with outer bracts ovate and inner bracts oblong with tips rounded; paleae absent. Florets 15–30, 4–5 mm long; corolla pale pink. Achenes narrowly cylindrical, angular, 3–4 mm long, black, with (3) 4 or 5 white setulous ribs, rugulose. Pappus bristles c. 5 mm long, fused at base, scabrid.
Life form perennial
Growth form
Growth support free-standing
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 1.5 - 2.0
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Nitrogen fixer -
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Environment

Light -
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Hardiness (USDA) 9-12

Usage

Uses medicinal
Edible -
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

Mode -
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Distribution

Chromolaena squalida world distribution map, present in Australia, Bolivia (Plurinational State of), Brazil, Colombia, Guyana, Peru, Paraguay, Suriname, and Venezuela (Bolivarian Republic of)

Identifiers

LSID urn:lsid:ipni.org:names:57489-2
WFO ID wfo-0000001128
COL ID 5YH95
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Osmia ramosissima Eupatorium squalidum Osmia squalida Eupatorium sitiense Eupatorium martii Eupatorium dichotomum Osmia subvelutina Chromolaena squalida Osmia martiusii Eupatorium crenatum Eupatorium subvelutinum Eupatorium martiusii Eupatorium ramosissimum Osmia caleoides Osmia crenata Osmia trifoliata Osmia tomentosa Eupatorium venosum Eupatorium dichotomum Eupatorium squalidum var. rusbyanum Eupatorium paulinum