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Osteospermum breviradiatum Norl.

Species

Angiosperms > Asterales > Asteraceae > Osteospermum

Characteristics

Herba annua 2-5 dm alta tota ± glanduloso-pubescens; caulis erectus teres basi usque 6 mm crassus laxe foliatus, internodiis 1-5(-8) cm longis, corymbo terminatus in speciminibus vetustioribus ramis lateralibus corymbiferis valde superatus. Folia alterna patentia membranacea, inferiora vel saltern infima petiolata, petiolis 1-2 cm longis semiamplexicaulibus exauriculatis, cetera sessilia semiamplexicaulia ± auriculata; folia inferiora lamina elliptico-lanceolata in petiolum cuneatim decurrenti, intermedia oblongo-lanceolata 4-8 cm longa 1-2 cm lata basi lata et auriculata, superiora lineari-lanceolata, omnia apice acuta margine remote sinuato-dentata-denticulata. Inflorescentiae laxae in caule et ramis terminales corymbosae paucicapitulatae; pedicelli capitulorum graciles 2-5 cm longi bracteis paucis lineari-subulatis 3-6 mm longis instructi. Involucri squamae c. 12 subuniseriatae fere aequilongae lanceolatae 5.5-6 mm longae 1.5-2 mm latae acuminatae dorso glanduloso-puberulae margine late albido-scariosae. Flores radii involucri squamas numero aequantes; ligulae flavae involucro aequilongae vel paullo (1-2 mm) superantes; flores disci flavi. Achaenia triangulari-obovoidea trialata, alis 1-1.5 mm latis semipellucidis, c. 4 mm longa (alis exceptis) apice cavernulam includentia sed efenestrata lateribus rugulosa vel sublaevia parce glandulosa. Praeter eiusmodi achaenia in eodem capitulo achaenia pauca (1-3) teretia exalata rostrata 8-10 mm longa saepe adsunt.
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Glandular-hairy annual, up to 0.5 m tall. Leaves alternate, soft, elliptic-to linear-lanceolate, sparsely toothed, lower ones petiolate and upper ones ± clasping. Flowerheads radiate, terminal, corymbosely arranged; ray florets equalling to slightly longer than involucre; ray and disc florets yellow. Cypselas ± 5 mm long, triangular-obovoid, 3-winged, windowless.
Glandular-hairy annual to 50 cm. Leaves soft, lanceolate, sparsely toothed, the lower petiolate, upper clasping. Flower heads radiate, small, yellow. Achenes ± 5 mm long, winged, apical chamber 3-fenestrate.
Life form annual
Growth form herb
Growth support free-standing
Foliage retention evergreen
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.35 - 0.5
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 6-8
Soil acidity -
Soil nutriment -
Hardiness (USDA) 9-12

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 breviradiatum world distribution map, present in Namibia and South Africa

Identifiers

LSID urn:lsid:ipni.org:names:235773-1
WFO ID wfo-0000058894
COL ID 75BFJ
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Tripteris breviradiata Osteospermum breviradiatum Norlindhia breviradiata
WorldFloraDB 2024