Sciadocephala dressleri R.M.King & H.Rob.

Species

Angiosperms > Asterales > Asteraceae > Sciadocephala

Characteristics

Decumbent perennial herb to 0.5 m tall with few or no branches; stems terete with weak striations, reddish-puberulous. Leaves opposite; blades elliptical to slightly obovate, mostly 10-12 cm long and 5-6 cm wide, remotely subserrulate, the base narrowly cuneate, strongly trinervate from near base with strongly ascending secondary veins remote from margin, the apex obtuse to narrowly rounded, the surfaces mostly glabrous, the veins sparsely puberulous below; petioles 7-25 mm long, distally indistinct from blade. Inflorescence laxly sub-cymose, the branches puberulous, the ultimate branches 1-2 cm long. Heads ca. 8-10 mm high and to 1 mm wide with ca. 9 florets; involucral bracts 7-8, eximbricate, in 1 series, narrowly oblong, mostly 2.5-3.5 mm long and to 3 mm wide, apically rounded to obtusely acute, sparsely puberulous on outer surface; corolla pale green, 5.0-5.5 mm long, narrowly funnelform, without distinct tube, sparsely puberulous on outer surface, the lobes 5, ca. 0.7 mm long and 0.5 mm wide; anther collars ca. 0.4 mm long, the thecae ca. 1.5 mm long, the appendage about as long as wide; style branches exserted to 4 mm, cream-colored. Achenes to 6 mm long, sparsely minutely puberulous; carpopodium not enlarged; pappus of 5 glutiniferous knobs 1.0-1.5 mm long, the glandular portions ca. 0.2 microns in diameter. Pollen ca. 30 p. in diameter.
Life form perennial
Growth form herb
Growth support free-standing
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.5
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color -
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Nitrogen fixer -
Photosynthetic pathway -

Environment

Light -
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Hardiness (USDA) -

Usage

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

Cultivation

Mode -
Germination duration (days) -
Germination temperacture (C°) -
Germination luminosity -
Germination treatment -
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Optimum temperature (C°) -
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Productivity -

Distribution

Sciadocephala dressleri world distribution map, present in Ecuador and Panama

Identifiers

LSID urn:lsid:ipni.org:names:230106-2
WFO ID wfo-0000014526
COL ID 4VGYN
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Sciadocephala dressleri