Helichrysum witbergense Bolus

Species

Angiosperms > Asterales > Asteraceae > Helichrysum

Characteristics

Spindly shrub up to 900 mm high, old stems bare, rough with leaf bases, branchlets closely leafy. Leaves commonly up to 20 x 3.5 mm, or 35 x 10 mm on coppice growth, ovate-lanceolate, apex acute, mucronate, base broad, half-clasping, margins revolute, both surfaces sometimes grey-woolly, or commonly upper surface very lightly cobwebby, hairs soon deciduous or confined to the midrib, often minutely gland-dotted and glutinous, sometimes glandular-hairy as well when young, lower surface white-felted, striate. Heads heterogamous, campanulate, 5-6 mm long, ±8 mm across the radiating involucral bracts, bases white-woolly, many in compact rounded corymbose clusters 15-20 mm across at the branch tips. Involucral bracts in 5-6 series, closely imbricate, graded, glossy, outer light brown, inner slightly exceeding flowers, tips obtuse, bright canary-yellow, minutely radiating. Receptacle honeycombed. Flowers 34-56, 6-12 female, 26-50 homogamous. Achenes not seen, ovaries 1 mm long with duplex hairs. Pappus bristles many, equalling corolla, tips subplumose, bases cohering by patent cilia.
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Spindly shrub, up to 900 mm high. Old stems bare, rough with leaf bases, branchlets closely leafy. Leaves up to 20 x 3.5 mm, or 35 x 10 mm on coppice growth, ovate-lanceolate, base ± clasping, margins revolute, both surfaces sometimes grey-woolly, or commonly upper surface ± cobwebby, hairs soon deciduous or confined to midrib, often minutely gland-dotted and glutinous, lower surface white-felted, striate. Capitula campanulate, 5-6 mm long, many in dense, rounded, terminal, corymbose clusters, 15-20 mm in diam.; involucral bracts in 5 or 6 series, glossy, outer light brown, inner bright yellow. Flowers 34-56. Flowering time Nov.-Feb. Pappus of many bristles, apex subplumose. Cypselae 1 mm long.
Life form -
Growth form shrub
Growth support free-standing
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.9
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color -
Blooming months -
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

Light -
Soil humidity 4-6
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 witbergense world distribution map, present in Lesotho and South Africa

Identifiers

LSID urn:lsid:ipni.org:names:213487-1
WFO ID wfo-0000021189
COL ID 6LJCG
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Helichrysum witbergense