Semi-parasitic annual herb ; up to 50 cm tall . Stems erect , simple , rigid , ± pubescent to densely covered with very short hispid hairs . Leaves opposite , 10–35 × 1–3 mm , distantly placed , sessile , linear to linear-lanceolate , acute , finely pubescent . Inflorescences axillary , solitary , alternate , forming long lax terminal spikes ; lower bracts leaf-like , the upper linear to subulate ; bracteoles c . 4 mm . long , subulate . Flowers white turning bluish-black when dried ; calyx tubular , 5-lobed or with 5 (rarely 4) teeth , 8–10 mm , prominently 10–15-veined ; teeth linear-lanceolate , 3–4 mm , elongating in fruit ; corolla white , 2-lipped , pubescent outside , turning bluish-black when dried ; tube narrow , ± 10 mm , curved at right angles just above calyx teeth ; limb with upper lobes fused , obovate , erect ; lower lobes 3 , 6–8 mm , obovate , spreading ; stamens 4 , didynamous , inserted in the tube below the mouth ; anthers monothecous . Fruit capsule , 3–4 mm , ovoid , valves recurved after dehiscence . (Ref . Flora of Oman ; vol . 3) .
No Data
Not Evaluated (NE)
Not Common
الوصف غير متاح حاليًا
Buchnera angustifolia D.Don
No data
maintenanceAr.Item1
Narrow-Leaved Witchweed
Not recorded yet.
*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 *Miller, A., Morris, M. (1988). Plants of Dhofar, the Southern Region of Oman: Traditional, Economic, and Medicinal Uses. Published by Office of the Adviser for Conservation of the Environment, Diwan of Royal Court, Sultanate of Oman; ISBN 10: 0715708082 ISSN 13: 9780715708088. *POWO (2023). ""Plants of the World Online. Facilitated by the Royal Botanic Gardens, Kew. Published on the Internet; http://www.plantsoftheworldonline.org
