Osteospermum karooicum (Bolus) Norl.

Species

Angiosperms > Asterales > Asteraceae > Osteospermum

Characteristics

Frutex usque 1 m altus odore aromatico; rami vetustiores valde lignosi robusti usque 7 mm crassi cortice griceo glabro ± rimoso obtecti; ramuli saepius abbreviati dense foliati glabri vel rarius in axillis foliorum parum lanati. Folia alterna coriacea glabra laevia vel interdum parce glanduloso-asperula linearia-oblanceolato-linearia 1.5-4 cm longa 0.2-0.8 cm lata apice acuta calloso-mucronata basi angustata subsemiamplexicaulia margine integerrima subcallosa; nervus medius subtus elevatus, interdum nervi laterales utrinque 1(-2) ± conspicui. Capitula in apicibus ramulorum solitaria pedunculata; pedunculi 2-12 cm longi striati rigidi parce glanduloso-puberuli bracteis 1-3 linearisubidatis 2-8 mm longis laxissime instructi. Involucri squamae subuniseriatae-biseriatae c. 20-25, exteriores lineares-anguste lanceolatae 3.5-4 mm longae c. 0.5 mm latae, interiores lanceolatae 5-6 mm longae c. 1 mm latae, omnes acutae-acuminatae per medium dorsum pallide virides parce glandulosae margine albido-scariosae ciliolatae. Flores radii c. 15; ligulae aurantiacae-flavae involucrum 2-plo super-antes; flores disci flavi numerosi. Achaenia dimorpha: plurima 3-alata, pauca (1-3) exalata, haec interdum desunt; achaenia alata 5-7 mm longa cavernulam nullam includentia; alae rigide membranaceae saepe irregulariter laceratae 1-2 mm latae; latera inter alas transverse rugosa sulco longitudinali vix conspicuo instructa; achaenia exalata elongatotriangularia apice in rostrum solidum ± longum producta.
More
Shrub or dwarf shrub, up to 1 m tall. Leaves alternate, densely set along stems, glandular-hirsute, linear to oblanceolate-linear, main vein and occasionally lateral veins conspicuous, tip acute. Flowerheads radiate, solitary, pedunculate; ray florets long, orange-yellow; disc florets yellow. Cypselas 3-winged, occasionally some wingless with a solid apical beak.
Life form -
Growth form shrub
Growth support free-standing
Foliage retention evergreen
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 5-8
Soil acidity -
Soil nutriment -
Hardiness (USDA) -

Usage

Uses -
Edible -
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

Mode -
Germination duration (days) 10 - 15
Germination temperacture (C°) 15 - 18
Germination luminosity light
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Distribution

Osteospermum karooicum world distribution map, present in South Africa

Identifiers

LSID urn:lsid:ipni.org:names:235825-1
WFO ID wfo-0000136810
COL ID 7D6WV
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Tripteris karrooica Tripteris integrifolia Osteospermum karooicum