Helichrysum albertense Hilliard

Species

Angiosperms > Asterales > Asteraceae > Helichrysum

Characteristics

Annual herb with a slender taproot, branches 10-70 mm long, several from the crown, prostrate, very slender, simple or subsimple, dark reddish brown, cobwebby, distantly leafy except under the heads. Leaves mostly 4-11 x 2-3 mm, spathulate, apex rounded, base narrowed, half-clasping, margins flat, both surfaces loosely grey-woolly, glabrescent. Heads heterogamous or rarely homogamous, campanulate, 3 x 2 mm, many crowded in terminal glomerules surrounded by leaves. Involucral bracts in ±6 series, subequal, outer webbed with wool to surrounding leaves, inner with some woolly hairs on backs, tips rounded, often emarginate, pellucid or subopaque, whitish mostly lightly suffused reddish-or golden-brown, or wholly golden-brown and then pellucid, scarcely radiating. Receptacle raised, with flattened tubercles. Flowers 12-22, (0-)1-4 female, 11-21 homogamous. Achenes 0.75 mm long, glabrous. Pappus bristles many, equalling corolla, tips scabrid, bases with patent cilia not cohering.
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Annual herb, taproot slender. Stems 10-70 mm long, several from the crown, prostrate, very slender, ± simple, dark red-brown, cobwebby, distantly leafy. Leaves 4-11 x 2-3 mm, spathulate, base narrowed, both sides loosely grey-woolly, glabrescent. Capitula campanulate, 3 x 2 mm, many in terminal glomerules surrounded by leaves; involucral bracts in 6 series, outer webbed to surrounding leaves, whitish to red-or golden-brown. Receptacle raised, with flat tubercles. Flowers 12-22. Flowering time Sept.-Dec. Pappus of many bristles, bases with patent cilia not cohering. Cypselae 0.75 mm long, glabrous.
Prostrate annual with slender, reddish brown stems, sparsely leafy except under flowerheads. Leaves spathulate, mostly 4-11 x 2-3 mm, loosely grey-woolly, glabrescent. Flowerheads in leafy glomerules, disciform (rarely discoid), bracts ± 6-seriate, obtuse-emarginate, golden-brown, or whitish suffused red or brown, woolly below, florets 12-22, 0-4 female.
Life form annual
Growth form herb
Growth support free-standing
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) -
Root system tap-root
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) 9-11

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 -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Distribution

Helichrysum albertense world distribution map, present in South Africa

Identifiers

LSID urn:lsid:ipni.org:names:928702-1
WFO ID wfo-0000022206
COL ID 3K6BJ
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Helichrysum albertense