Helichrysum grandibracteatum M.D.Hend.

Species

Angiosperms > Asterales > Asteraceae > Helichrysum

Characteristics

Tufted perennial herb, stock stout (up to 10 mm diam.), woody, crowned with several leaf rosettes, flowering stems terminal, solitary, up to 200 mm high grey-woolly, leafy. Radical leaves up to 120 x 4 mm, cauline leaves much smaller, linear-lanceolate, apex acute, uppermost tipped with a white scale, base broad, clasping, glabrous above, silvery silky-woolly-felted below, striate from the strongly raised parallel veins, margins slightly involute. Heads homogamous, campanulate, 8-10 mm long, 18-20 mm across the fully radiating bracts, several clustered at the stem apex. Involucral bracts in ±12 series, loosely imbricate, inner subequal, much exceeding the flowers, acute to acuminate, snow-white. Receptacle shortly honeycombed. Flowers 51-89, yellow. Achenes 1.5 mm, elliptic, with myxogenic duplex hairs. Pappus bristles many, equalling corolla, barbellate, bases cohering strongly by patent cilia.
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Perennial herb, tufted; flowering stems up to 200 mm high, terminal, solitary, grey-woolly, leafy. Leaves in several basal rosettes; blade of basal leaves linear, up to 120 x 4 mm, apex acute, base broad, clasping, margins slightly involute, upper surface glabrous, lower surface silvery, silky, woolly felted, striate from strongly raised parallel veins; stem leaves much smaller. Heads discoid, campanulate, 8-10 x 18-20 mm, several clustered at stem apex. Involucral bracts in ± 12 series, loosely imbricate, inner subequal, much exceeding florets, dull, tips acute to acuminate, snow-white, radiating, stereome divided. Receptacle epaleate, shortly honeycombed. Flowers: disc florets only, 51-89; corolla narrowly campanulate above, yellow; Sep.-Jan. Fruit with cypsela hairy. Pappus of many barbellate bristles, bases cohering strongly by patent cilia.
Tufted, perennial herb, leaf rosettes several, flowering stems terminal, solitary, up to 200 mm high, grey-woolly, leafy. Leaves: radical leaves up to 120 mm long, linear-lanceolate, base broad, clasping, glabrous above, silvery, silky, woolly felted below, striate from the strongly raised parallel veins; cauline leaves much smaller. Capitula campanulate, 8-10 mm long, several clustered at stem apex; involucral bracts; involucral bracts in ± 12 series, loosely imbricate, snow-white. Flowers 51-89, yellow. Flowering time Sept.-Nov. Pappus of many bristles, barbellate. Cypselae 1.5 mm long, elliptic.
Life form perennial
Growth form herb
Growth support free-standing
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.2
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 -
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 grandibracteatum world distribution map, present in Lesotho and South Africa

Identifiers

LSID urn:lsid:ipni.org:names:212821-1
WFO ID wfo-0000021193
COL ID 3K6RH
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Helichrysum grandibracteatum