Helichrysum basalticum Hilliard

Species

Angiosperms > Asterales > Asteraceae > Helichrysum

Characteristics

Perennial herb with a cluster of very short branches at the crown, each producing a rosette of leaves, flowering stems several, lateral, simple or branched, prostrate, 40-120(-400) mm long, grey-woolly, leafy. Radical leaves up to 40 x 15 mm, obovate-oblong, apex obtuse, base slightly narrowed, half-clasping, both surfaces thickly grey-woolly; cauline leaves similar but commonly smaller and narrowly oblong. Heads heterogamous, campanulate, ±4 x 4 mm, many felted together at the base in a congested, rounded, terminal, corymbose cluster 15-20 mm across, occasionally up to 4 of these clusters in turn closely agglomerated. Involucral bracts in 3 series, loosely imbricate, about equalling the flowers, not radiating, translucent, tawny-yellow, mostly tipped golden brown. Receptacle honeycombed. Flowers ±40-70, ±27-38 female, 22-35 homogamous, yellow. Achene 0.75 mm, glabrous. Pappus bristles many, delicate, tips barbellate, bases with patent cilia, not cohering.
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Stems prostrate, 40-400 mm long, grey-woolly, leafy. Leaves: radical leaves up to 40 mm long, obovate-oblong, base ± clasping, both sides thickly grey-woolly; cauline leaves similar but smaller and narrowly oblong. Capitula campanulate, 4 x 4 mm, felted together in dense, rounded, terminal clusters 15-20 mm in diam.; involucral bracts in 3 series, tawny-yellow, tipped golden-brown. Receptacle honeycombed. Flowers 40-70, yellow. Flowering time Feb.-Apr. Pappus of bristles with barbellate apex, bases not cohering.
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 -
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Nitrogen fixer -
Photosynthetic pathway -

Environment

Light -
Soil humidity -
Soil texture -
Soil acidity -
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Hardiness (USDA) 9-11

Usage

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

Cultivation

Mode -
Germination duration (days) 7 - 10
Germination temperacture (C°) 18 - 23
Germination luminosity light
Germination treatment -
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Optimum temperature (C°) -
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Vigor -
Productivity -

Images

Helichrysum basalticum unspecified picture

Distribution

Helichrysum basalticum world distribution map, present in Lesotho and South Africa

Identifiers

LSID urn:lsid:ipni.org:names:212473-1
WFO ID wfo-0000076645
COL ID 3K6F4
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Helichrysum basalticum Gnaphalium alticola