Othonna retrorsa Dc.

Species

Angiosperms > Asterales > Asteraceae > Othonna

Characteristics

Dwarf, cushion-forming shrublet, with many-headed caudex with a woolly crown and covered with leaf rosettes, shortly exserted and covered with accumulating dry leaf remains. Leaves rosulate, oblanceolate, 10-60 x (2-)6-15 mm, apiculate, leathery and striate-reticulate, margins slightly thickened and cartilaginous, sparsely to densely spinulate with patent or retrorse teeth, woolly in axils. Flowerheads (1)2-5 on elongated, minutely scaly peduncles up to 300 mm long, radiate, yellow; involucre campanulate, ± 5 mm diam., bracts 5-8, dark tipped, ± 5 x 1-1.5 mm. Cypselas 2-3 mm long, pubescent; pappus ± 2 mm long.
Life form perennial
Growth form shrub
Growth support free-standing
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.05 - 0.1
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

Light 7-9
Soil humidity 1-3
Soil texture 6-7
Soil acidity -
Soil nutriment -
Hardiness (USDA) 9-9

Usage

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

Cultivation

Mode -
Germination duration (days) -
Germination temperacture (C°) -
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -7
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Othonna retrorsa unspecified picture

Distribution

Othonna retrorsa world distribution map, present in South Africa

Identifiers

LSID urn:lsid:ipni.org:names:236128-1
WFO ID wfo-0000011474
COL ID 4B2Q3
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Othonna retrorsa Othonna retrorsa var. retrorsa

Lower taxons

Othonna retrorsa var. spektakelensis