Gnaphalium austroafricanum Hilliard

Species

Angiosperms > Asterales > Asteraceae > Gnaphalium

Characteristics

Stoloniferous perennial herb, stems many from the crown, loosely branched, particularly above, prostrate or decumbent, branches mostly 150-450 mm long, lower part often nude and rooting, upper thinly greyish-white cottony, leafy. Leaves more or less spreading, c. 10-25(-35) x 2-4(-6) mm, narrowly spathulate, apex usually obtuse, sometimes subacute, mucronate, base broad, half-clasping, both surfaces thinly greyish-white appressed tomentose. Heads campanulate, c. 3.5-4 x 3 mm, in small corymbose clusters generally borne well above the foliage on cottony peduncles, terminal or subterminal. Involucral bracts in c. 4 series, outer short, golden-brown, loosely and lightly woolly, inner bracts exceeding flowers by the length of their snow-white opaque tips, tips obtuse or subacute, 2-3 times as long as broad. Receptacle shallowly tuberculate or shortly honeycombed. Flowers 83-145, 66-133 ('female'), 6-19 ('bisexual'), in the proportion 7-20:1. Achenes 0.5 mm long with duplex myxogenic hairs. Pappus bristles wanting in ('female') flowers, with shortly plumose tips in ('bisexual') flowers.
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Decumbent or prostrate, perennial herb, 0.15-0.45 m long, often rooting at nodes. Leaves alternate, narrowly spathulate, entire, thinly greyish-white appressed-tomentose. Capitula disciform, in small corymbose clusters, on cottony peduncles terminally; in-volucral bracts in ± 4 rows, outer row golden-brown, hairy, inner rows with snow-white, obtuse or subacute apex, longer than broad. Female florets filiform, outnumbering disc florets, purple. Disc florets bisexual, narrowly tubular, purple. Flowering time Dec.-Feb. Pappus absent in female florets, of free, scabrid bristles with plumose apex in disc florets. Cypselae small, oblong, sparsely hairy.
Life form perennial
Growth form herb
Growth support free-standing
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) -
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color -
Blooming months -
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

Light -
Soil humidity -
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) 9-12

Usage

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

Cultivation

Mode -
Germination duration (days) 14 - 21
Germination temperacture (C°) 15 - 21
Germination luminosity light
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Distribution

Gnaphalium austroafricanum world distribution map, present in South Africa

Identifiers

LSID urn:lsid:ipni.org:names:897826-1
WFO ID wfo-0000021622
COL ID 3GJWY
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Gnaphalium austroafricanum