Home Flora of Pakistan
Name Search
District Map
Grid Map
Inventory Project
Hyoscyamus L. Search in The Plant ListSearch in IPNISearch in Australian Plant Name IndexSearch in Index Nominum Genericorum (ING)Search in NYBG Virtual HerbariumSearch in JSTOR Plant ScienceSearch in SEINetSearch in African Plants Database at Geneva Botanical GardenAfrican Plants, Senckenberg Photo GallerySearch in Flora do Brasil 2020Search in Reflora - Virtual HerbariumSearch in Living Collections Decrease font Increase font Restore font

Published In: Species Plantarum 1: 179. 1753. (1 May 1753) (Sp. Pl.) Name publication detailView in BotanicusView in Biodiversity Heritage Library

Project Name Data (Last Modified On 6/2/2011)
Acceptance : Accepted
Project Data     (Last Modified On 6/3/2011)
Contributor Text: YASIN J. NASIR
General/Distribution: 20 species, often hard to separate; Mediterranean to S.W. & C. Asia, Represented in Pakistan by 4 native species.


Export To PDF Export To Word
Annual, biennial or perennial herbs. Leaves variously lobed. Flowers in cincinni, ± irregular, variously coloured. Calyx enlarging and enclosing the fruit. Corolla infundibuliform, 5-lobed; lobes ± unequal, imbricate in bud. Stamens 5, attached about the middle or at the base of the corolla tube; anthers usually exserted, oblong, dehiscing longitudinally. Ovary bilocular. Style filiform, stigma subcapitate. Capsule (pyxidium) erect, enclosed in the calyx, dehiscence by a lid. Seeds many, compressed.

Export To PDF Export To Word Export To SDD
Switch to indented key format
1 Annual or biennial. Calyx lobes 4-10 mm long, subulate to aristate (2)
+ Perennial. Calyx lobes 2-3 mm long, ± obtuse cuspidate. Seeds 0.9-1.0 mm long 1 Hyoscyamus insanus
2 (1) Biennial, rarely annual. Calyx lobes not reflexed in fruit. Corolla 20-30 mm long, c. twice length of calyx. Seeds pitted or rugose-tuberculate (3)
+ Annual. Calyx lobes reflexed in fruit. Corolla 12-16 mm long, slightly exceeding calyx. Capsule 5-6 mm long. Seeds ruminate-rugose 2 Hyoscyamus pusillus
3 (2) Leaves ovate-oblong. Calyx urceolate (in fruit), less than 1/2 cleft: lobes broad triangular-aristate, 4-6 mm long. Filaments purplish suffused. Seeds ± 1.2 mm long, pitted 3 Hyoscyamus niger
+ Leaves lanceolate to oblanceolate. Calyx campanulate (in fruit), c. 1/2 cleft; lobes triangular subulate, 7-10 mm long. Filaments not purplish-suffused. Seeds ± 1.6 mm long, rugose-tuberculate 4 Hyoscyamus squarrosus
© 2024 Missouri Botanical Garden - 4344 Shaw Boulevard - Saint Louis, Missouri 63110