Helichrysum interzonale Compton

Species

Angiosperms > Asterales > Asteraceae > Helichrysum

Characteristics

Well-branched shrublet, branches short or elongate and then decumbent and shooting at the nodes or tips, white-felted when young, closely leafy. Leaves mostly 2-6(-8) x 0.5-1 mm, diminishing slightly upwards, appressed, later spreading, ascending, linear or linear-lanceolate, apex acute, mucronate, slightly hooked, base broad, clasping, margins strongly revolute, white-woolly below, thinly woolly above, soon glabrescent. Heads heterogamous or rarely homogamous, campanulate, ±5 x 4 mm, solitary or up to 12 corymbosely arranged at the branch tips, subsessile or rarely peduncles reaching 8 mm. Involucral bracts in ±5 series, graded, imbricate, inner about equalling flowers, semi-pellucid, tawny, tips obtuse or subacute, somewhat crisped, scarcely radiating, backs thinly woolly with orange or red gland dots. Receptacle with fimbrils about equalling ovaries. Flowers 16-29, (0-)1-6 female, 13-28 homogamous, staminodes sometimes present. Achenes not seen, ovaries glabrous. Pappus bristles many, about equalling corolla, barbellate, tips barbellate to subplumose, bases cohering by patent cilia.
More
Straggling shrublet to 50 cm, white-felted on young parts. Leaves ascending, later recurved, linear, revolute, mucronate, glabrescent above, white-woolly beneath. Flower heads disciform, sometimes discoid, 1-12 at branch tips, campanulate, tawny, ± 5 x 4 mm, florets 15-30, ovary glabrous.
Life form -
Growth form shrub
Growth support free-standing
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) -
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 interzonale world distribution map, present in South Africa

Identifiers

LSID urn:lsid:ipni.org:names:212891-1
WFO ID wfo-0000035684
COL ID 3K6TN
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Helichrysum interzonale