Helichrysum interjacens Hilliard

Species

Angiosperms > Asterales > Asteraceae > Helichrysum

Characteristics

Bushy perennial herb or subshrub ±600 mm tall, much branched from the base, branches long, thin, brittle, thinly white-woolly, closely leafy. Leaves mostly 15-20 x 2-2.5 mm, diminishing upwards and becoming more distant below the heads, linear-lanceolate, acuminate, base broad, half-clasping, eared, margins more or less revolute, upper surface cobwebby-woolly, lower more densely so. Heads heterogamous, campanulate, 3 x 1.5-2 mm, many in compact corymbose panicles. Involucral bracts in 5 series, graded, imbricate, inner about equalling flowers, light straw colour, tips obtuse, semi-pellucid, crisped, minutely radiating. Receptacle with fimbrils much exceeding ovaries. Flowers 13-25, 9-17 female, 3-8 homogamous. Achenes 0.75 mm long, cylindric, obscurely ribbed, glabrous. Pappus bristles many, equalling corolla, scabridulous, bases cohering by patent cilia.
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Perennial herb or shrub, up to 0.6 m high. Leaves 15-20 x 2.0-2.5 mm, linear-lanceolate, base broad, half-clasping, eared, margins revolute, upper surface cobwebby-woolly, lower more densely so. Heads campanulate, many in compact corymbose panicles. Flowers with light straw-coloured involucral bracts.
Life form perennial
Growth form herb
Growth support free-standing
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.6
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 7-9
Soil acidity -
Soil nutriment -
Hardiness (USDA) 9-12

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 interjacens world distribution map, present in eSwatini and South Africa

Identifiers

LSID urn:lsid:ipni.org:names:900015-1
WFO ID wfo-0000017411
COL ID 3K6TK
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Helichrysum interjacens