Alien
Annual herb , up to 40 cm , hispid in all parts . Stems erect , branching regularly and dichotomously , slender , leafy , densely covered with stiff , sometimes sticky hairs . Leaves opposite , 25–35 × 8–12 mm , oblong to obovate , apex acute to obtuse , base cuneate , margins ± entire to irregularly dentate , gland-dotted ; petiole absent or short . Inflorescences solitary , sessile , axillary . Flowers pale yellow , ray flowers female , ray lamina ± 1 mm long ; disc flowers functionally male , tubular . Fruit achenes , 4–5 mm (without spines) , laterally compressed , obtriangular in outline with 2 apical divergent spines 3–4 mm long , and many smaller lateral hooked spinules , green , becoming tawny when mature . (Ref . Flora of Oman ; vol . 3) .
No Data
Not Evaluated (NE)
Not Common
الوصف غير متاح حاليًا
Acanthospermum humile var. hispidum (DC.) Kuntze
No data
maintenanceAr.Item1
Starbur
Bristly Starbur, Upright Starbur
Goat's Head
Hispid Starburr
Slingshot weed
Texas Cockspur
Not used traditionally.
*Ghazanfar, S. (2015). Flora of the Sultanate of Oman, vol.3: Loganiaceae – Asteraceae. Meise, National Botanic Garden of Belgium (Scripta Botanica Begica, Vol. 25). ISBN 9789082352511 ISSN 0779-2387. *https://en.wikipedia.org *http://floranorthamerica.org *https://casabio.org *Patzelt, A. Pysek, P. Pergl, J. Van Kleunen, M. (2022). Alien flora of Oman: invasion status, taxonomic composition, habitats, origin, and pathways of introduction. Doi.org/10.1007/s10530-021-02711-4. *POWO (2023). ""Plants of the World Online. Facilitated by the Royal Botanic Gardens, Kew. Published on the Internet; http://www.plantsoftheworldonline.org
