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Osteospermum grandiflorum Dc.

Species

Angiosperms > Asterales > Asteraceae > Osteospermum

Characteristics

Frutex vel suffrutex erectus 5-7(-9) dm altus parum ramosus: caulis et rami rigidi teretes saepe ± flexuosi partibus junioribus virides subherbacei glanduloso-asperi-muriculati partibus vetustioribus valde lignosi laeves cortice griseo fusco vestiti; internodia vulgo 0.5-1.5 cm longa. Folia alterna rigide membranacea vel subcoriacea utrinque glanduloso-aspera-muriculata, inferiora et intermedia lamina ovata-elliptica-oblonga 2-3(-5) cm longa 1-2 cm lata apice acuta vel obtusa calloso-nuicronulata margine remote dentata-pinnatifido-dentata, dentibus utrinque 2-5 calloso-mucronulatis usque 3-5 mm altis. rarius subintegerrima basin versus abrupte vel sensim in petiolum 0.5-1.5 cm longum angustata; folia superiora anguste elliptica-lanceolata-sublinearia breviter petiolata vel sessilia margine remote dentata vel in tegerrima; nervus medius subtus elevatus, nervi laterales utrinque 1-2(-3) anastomosantes ± conspicui. Inflorescentiae in apicibus caulis et ramorum laxe corymbosae saepius 5-8-capitulatae; pedicelli capitulorum 2-7(-10) cm longi glanduloso-asperi bracteis paucis lineari-bus-lineari-subulatis integerrimis instructi. Involucri squamae 12-18 subuniseriatae fere aequilongae lanceolatae-anguste ovatae 4-6 mm longae 1-2.5 mm latae acuminatae per medium dorsum glandulosoasperae margine albido-scariosae. Flores radii involucri squamas fere numero aequantes; ligulae flavae-aurantiacae involucrum usque 3(-4)-plo superantes; staminodia 4 vulgo adsunt; flores disci numerosi flavi 4-6 mm longi. Achaenia glabra dura c. 12 mm longa triangularia, angulis in alas c. 3 mm latas rigidas productis; latera sulco longitudinali instructa; cavernula apicalis nulla.
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Roughly hairy, foetid shrublet, up to 0.8 m tall. Leaves alternate, petiolate, ovate to oblong, margins remotely dentate to pinnatifid-dentate, occasionally ± entire, upper ones narrowly elliptic to linear, sparsely dentate to entire. Flowerheads radiate, in. Lax terminal corymbs; ray florets showy, 3-4 times longer than involucre, orange or yellow. Cypselas broadly 3-winged, large; pappus absent.
Roughly hairy, foetid shrublet to 80 cm. Leaves oblanceolate to ovate, usually slightly toothed. Flower heads radiate, in lax, terminal corymbs, orange or yellow. Achenes broadly winged, ± 12 mm long.
Life form perennial
Growth form
Growth support free-standing
Foliage retention evergreen
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.8
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months -
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

Light -
Soil humidity 1-3
Soil texture 6-7
Soil acidity -
Soil nutriment -
Hardiness (USDA) 9-11

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 grandiflorum world distribution map, present in South Africa

Identifiers

LSID urn:lsid:ipni.org:names:235808-1
WFO ID wfo-0000059221
COL ID 75BG8
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Osteospermum grandiflorum Tripteris petiolata
WorldFloraDB 2024