Helichrysum montanum Dc.

Species

Angiosperms > Asterales > Asteraceae > Helichrysum

Characteristics

Mat-forming dwarf shrub ±100-450 mm high, often 1 m or more across, branches very short, congested, densely leafy, the leaves appearing rosetted from above, flowering stems terminal, erect, up to 200 mm long, greyish-white woolly, leafy throughout. Leaves up to 25(-50) x 8(-10) mm, smaller and more distant below the inflorescences, obovate, lingulate or subspathulate, apex very obtuse, base broad, half-clasping, both surfaces thickly greyish-white woolly, distinctly striped from the 3-5 parallel nerves. Heads heterogamous, hemispherical, 4-5 mm long, 5-8 mm across the radiating bracts, bases woolly, many in a compact terminal corymbose panicle. Involucral bracts in 6-7 series, graded, loosely imbricate, inner slightly exceeding flowers, tips minutely radiating, glossy, bright canary-yellow. Receptacle honeycombed. Flowers 53-133, 12-26 female, 34-112 homogamous. Achenes 0.75 mm, with myxogenic duplex hairs. Pappus bristles many, tips barbellate or subplumose, bases with patent cilia, cohering or not.
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Dwarf shrub, 100-450 mm high; mat-forming, branches short, congested, densely leafy; flowering stems terminal, erect, up to 200 mm long, greyish white-woolly. Leaves: blade obovate, lingulate or subspathulate, up to 50 x 10 mm, apex very obtuse, base ± clasping, both sides thickly greyish white-woolly, clearly striped with 3-5 parallel nerves. Heads disciform, hemispherical, 4-5 x 5-8 mm, many in compact, terminal, corymbose panicles. Involucral bracts in 6 or 7 series, graded, loosely imbricate, inner slightly exceeding florets, glossy, bright yellow, tips minutely radiating, stereome divided. Receptacle epaleate, honeycombed. Flowers: female and disc florets 53-133, 12-26 female; corolla of disc florets narrowly campanulate above, yellow; Aug.-Mar. Fruit with cypsela hairy. Pappus of many bristles, tips barbellate or subplumose, bases with patent cilia, cohering or not.
Mat-forming, dwarf shrub, 100-450 mm high, ± 1 m in diam. Branches short, congested, densely leafy, flowering stems terminal, erect, up to 200 mm long, greyish white-woolly. Leaves up to 50 x 10 mm, obovate to subspathulate, base ± clasping, both sides thickly greyish white-woolly, clearly striped from 3-5 parallel nerves. Capitula hemispherical, 4-5 mm long, many in compact panicles; involucral bracts in 6 or 7 series, glossy, bright yellow. Flowers 53-133. Flowering time Jan.-Apr. Pappus of many bristles, apex barbellate or subplumose. Cypselae 0.75 mm long.
Life form -
Growth form shrub
Growth support free-standing
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.1 - 0.45
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color -
Blooming months -
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

Light -
Soil humidity 1-3
Soil texture 7-8
Soil acidity -
Soil nutriment -
Hardiness (USDA) 9-11

Usage

Uses medicinal
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 montanum world distribution map, present in Lesotho and South Africa

Identifiers

LSID urn:lsid:ipni.org:names:213061-1
WFO ID wfo-0000124026
COL ID 3K6Z6
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Helichrysum splendidum var. montanum Helichrysum montanum