Helichrysum zeyheri Less.

Species

Angiosperms > Asterales > Asteraceae > Helichrysum

Characteristics

Dense or open shrublet ±150-1 000 mm tall, branches virgate, greyish-white woolly, leafy. Leaves mostly 6-23 x 2-9 mm, diminishing upwards, linear-oblong, oblong or obovate, apex obtuse to acute, mucronate, base sometimes petiole-like in the larger obovate leaves, usually broad and often subcordate-clasping, margins often undulate or crisped, both surfaces closely greyish-white woolly, wool sometimes thin, onlythe midvein visible. Heads homogamous, cylindric, ±4 x 2 mm, many in terminal compact corymbose panicles. Involucral bracts in 4-5 series, graded, inner about equalling the flowers, not radiating, imbricate, oblong-lanceolate, more or less distinctly keeled, blunt or subacute, often more or less truncate and emarginate, tips opaque white or inner sometimes rosy. Receptacle with fimbrils nearly equalling ovaries. Flowers nearly always 5. Achenes 0.75 mm, glabrous. Pappus bristles many, about equalling corolla, scabrid, bases cohering strongly by patent cilia.
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Shrub, up to 1 m high; branches virgate, greyish white-woolly, leafy. Leaves: blade linear-oblong, oblong or obovate, 6-23 x 2-9 mm, decreasing upwards, apex obtuse to acute, mucronate, bases broad and subcordate-clasping, petiole-like in larger obovate leaves, margins undulate or crisped; both surfaces closely greyish white-woolly. Heads discoid, cylindric, 4-5 x 2 mm, many in terminal, compact, corymbose panicles. Involucral bracts in 4 or 5 series, graded, inner ± equalling florets, imbricate, not radiating, oblong, ± distinctly keeled, tips blunt or subacute, often ± truncate and emarginate, opaque white or inner sometimes rosy, stereome divided. Receptacle epaleate, with fimbrils nearly equalling ovaries. Flowers: disc florets only, 5; corolla cylindric, yellowish; Nov.-Mar. Fruit with cypsela glabrous. Pappus of many barbellate bristles, bases cohering strongly by patent cilia.
Dense or open shrublet, ± 0.15-1.00 m high, greyish-white, woolly, branches virgate, leafy. Leaves 6-23 x 2-9 mm, apex obtuse to acute, mucronate, base broad and often subcordate-clasping, only midvein visible, margins often undulate or crisped. Capitula cylindric, many, terminal; involucral bracts in 4 or 5 series, graded, imbricate, oblong-lanceolate, keeled, blunt or subacute, often truncate and emarginate. Receptacle with fimbrils ± equalling ovaries. Flowering time Nov.-May. Pappus of many bristles, ± equalling corolla. Cypselae 0.75 mm long.
Twiggy shrublet with rod-like branchlets, mostly up to 700 mm tall. Leaves oblong to obovate, mostly 6-23 mm long, undulate or crisped, grey-woolly, larger leaves pseudopetiolate. Flowerheads in compact, terminal cymes, discoid, cylindric, ± 4 mm long, bracts 4-or 5-seriate, acute to truncate, opaque white or pinkish, florets 5.
Small shrub, 0.15-1.00 m high. Leaves 6-23 x 2-9 mm, linear-oblong, oblong or obovate, bases broad and subcordate-clasping, petiole-like in larger obovate leaves, margins undulate or crisped. Heads cylindric, 4-5 mm long with 5 flowers. Flowers with involucral bracts opaque white or inner sometimes rosy.
Twiggy, grey-woolly shrublet mostly to 70 cm, branches often stiff. Leaves oblong to obovate, often pseudopetiolate, grey-woolly, crisped. Flower heads discoid, in compact, terminal cymes, cylindric, white, ± 4 x 2 mm, florets 5, ovary glabrous.
A herb.
Life form -
Growth form shrub
Growth support free-standing
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.43 - 1.0
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months -
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

It is a subtropical plant.
Light -
Soil humidity 1-3
Soil texture 5-6
Soil acidity -
Soil nutriment -
Hardiness (USDA) 9-12

Usage

Uses -
Edible leaves
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 zeyheri world distribution map, present in Botswana, Lesotho, Namibia, and South Africa

Identifiers

LSID urn:lsid:ipni.org:names:213499-1
WFO ID wfo-0000059588
COL ID 3K7F4
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Gnaphalium burchellii Helichrysum zeyheri Gnaphalium zeyheri Helichrysum burchellii Gnaphalium carinatum Pentataxis micrantha Gnaphalium ulophyllum Helichrysum zeyheri var. zeyheri Helichrysum burchellii var. burchellii Helichrysum burchellii var. intermedium Helichrysum zeyheri var. burchellii Helichrysum zeyheri var. intermedium