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Osteospermum calendulaceum L.F.

Species

Angiosperms > Asterales > Asteraceae > Osteospermum

Characteristics

Herba annua glanduloso-puberula partibus junioribus saepe arachnoidea. Caules plures e radice simplici exeuntes primo adscendentes vel suiierecti postremo decumbentes-prostrati 3-5 dm longi graciles 1-2 mm crassi teretes leviter striati multiramosi basi lignescentes; internodia (praeter infima) 1-3 cm longa. Folia alterna membranacea margine repanda-remote denticulata-dentata vel pauca integerrima apice rotundata vel obtusa apiculata, basalia et inferiora petiolata, petiolis usque 3 cm longis, lamina oblonga vel oblanceolata usque 4 cm longa usque 1.5 cm lata, cetera sessilia vel subsessilia anguste oblanceolata vel sublinearia; nervus medius subtus prominens, nervi laterales vix conspicui. Capitula parva in apicibus caulis et ramorum solitaria. Involucri squamae 8-10 fere aequilongae subuniseriatae lanceolatae vel oblongo-lanceolatae 3-5 mm longae 1-2 mm latae acuminatae dorso glanduloso-puberulae margine ciliatae anguste vel vix albidoscariosae. Flores radii flavi involucri squamas non vel paullo (1-2 mm) superantes. Flores disci flavi involucro fere dimidio breviores. Achaenia dura saepe asperula et glandulosa normaliter valde polymorpha.
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Glandular-pubescent, strong-smelling, annual herb. Leaves oblong, oblanceolate or lanceolate, the lowermost narrowed to linear, apex acute or obtuse, mucronate, margins repand or denticulate; involucral bracts subuniseriate, lanceolate, glandular. Ray florets yellow. Disc florets yellow. Flowering time all year. Cypselae polymorphic, straight or curved, wingless or irregularly winged, beaked or not, obovoid, obconic, cylindric or fusiform, with or without an apical cavity, smooth or transversely wrinkled.
Sprawling, foetid annual, up to 400 mm tall. Leaves oblanceolate, toothed, 10-40 mm long. Flowerheads few at branch tips, radiate, yellow, 10 mm diam. Cypselas mostly irregularly warty.
Sprawling, foetid annual to 40 cm. Leaves oblanceolate, toothed. Flower heads radiate, small, few at branch tips, yellow. Achenes mostly irregularly warty.
Life form annual
Growth form herb
Growth support free-standing
Foliage retention evergreen
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 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 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 -

Images

Osteospermum calendulaceum unspecified picture

Distribution

Osteospermum calendulaceum world distribution map, present in Australia, United States of America, and South Africa

Identifiers

LSID urn:lsid:ipni.org:names:235776-1
WFO ID wfo-0000006445
COL ID 6TBFN
BDTFX ID 122303
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Calendula parviflora Oligocarpus calendulaceus Osteospermum calendulaceum
WorldFloraDB 2024