Helichrysum summo-montanum I.Verd.

Species

Angiosperms > Asterales > Asteraceae > Helichrysum

Characteristics

Stoutly branched shrub attaining 1 m, old branches often decumbent, nude below, above clad in old withered leaves, branchlets short, densely white-woolly, very closely leafy. Leaves spreading, mostly 20-50 x 10-25 mm, becoming bracteate under the heads, elliptic, apex obtuse, mucronate, base broad, clasping, margins flat, upper surface glandular-pubescent, woolly over the 3 main nerves, greyish-white woolly below. Heads heterogamous, campanulate, ±25 mm long, double that across the radiating bracts, solitary at tips of branchlets in axils of upper leaves. Involucral bracts in ±10 series, graded, imbricate, much exceeding flowers, glossy, outer pale brown, inner rosy fading to white, acute. Receptacle shortly honeycombed. Flowers ±1000, ±50 female, 950 homogamous. Achenes not seen, ovaries glabrous. Pappus bristles many, equalling corolla, barbellate above, bases not cohering.
More
Shrub, up to 1 m high. Leaves 20-50 x 10-25 mm, elliptic, upper surface glandular-pubescent, woolly, greyish white woolly below. Heads campanulate, 25 mm long, solitary at tips of branchlets in axils of upper leaves. Flowers with outer involucral bracts pale brown, inner rosy fading to white; October to November and March to June.
Life form -
Growth form shrub
Growth support free-standing
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 1.0
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 7-8
Soil acidity -
Soil nutriment -
Hardiness (USDA) -

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 summo-montanum world distribution map, present in South Africa

Identifiers

LSID urn:lsid:ipni.org:names:213405-1
WFO ID wfo-0000004824
COL ID 3K7BX
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Helichrysum andersoniense Helichrysum summo-montanum