Cynanchum ligulatum (Benth.) Woods.
Family: Apocynaceae
(english: Mexican swallow-wort, Mexican swallowwort)
[Cynanchum sinaloense (Brandeg.) Woods.,  more]
Cynanchum ligulatum image
Montañez, M.P.  
Plant: Perennial herbaceous vine; Stems pubescent in lines above the petioles; milky sap Leaves: ovate-cordate, 2-13 cm long, less than 2 times longer than broad, glabrate above, sparsely pubescent on the veins beneath; petioles pubescent above, shorter than to about as long as the blades INFLORESCENCE: racemose, tardily elongating to ca. 6 cm, the peduncles mostly 1-3 cm long Flowers: 9-11 mm long; calyx lobes 3-5 mm long; corolla white (in ours), broadly open-campanulate, the tube 2-3 mm long, the lobes oblong, spreading-recurved, 6-9 mm long, sparsely pubescent inside; crown whitish, 8-9 mm long, the segments 6-8 mm long, erect and conspicuous, ovate with attenuate-ligulate tips exserted ca. 4-5 mm beyond the stigma-head, united at their base into a ring 1-2 mm high; anther wings ca. 1 mm long; corpusculum ca. 0.3 mm long, the pollinia ovoid-ellipsoid, ca. 0.4 mm long; stigma head apically rounded Fruit: FOLLICLES 8-9 cm long Misc: Aug REFERENCES: Sundell, Eric. 1994. Asclepiadaceae. J. Ariz. - Nev. Acad. Sci. Volume 27, 169-187.
Cynanchum ligulatum image
Sky Jacobs  
Cynanchum ligulatum image
Ana L. Reina-Guerrero  
Cynanchum ligulatum image
Montañez, M.P.  
Cynanchum ligulatum image
Sue Carnahan  
Cynanchum ligulatum image
Montañez, M.P.  
Cynanchum ligulatum image
Ana L. Reina-Guerrero  
Cynanchum ligulatum image
Chris Roll  
Cynanchum ligulatum image
Ana L. Reina-Guerrero  
Cynanchum ligulatum image
Cynanchum ligulatum image
Cynanchum ligulatum image
Cynanchum ligulatum image
Cynanchum ligulatum image
Cynanchum ligulatum image
Cynanchum ligulatum image
Cynanchum ligulatum image
Cynanchum ligulatum image
Cynanchum ligulatum image
Cynanchum ligulatum image
Cynanchum ligulatum image
Cynanchum ligulatum image
Cynanchum ligulatum image
Cynanchum ligulatum image
Cynanchum ligulatum image
Cynanchum ligulatum image
Cynanchum ligulatum image
Cynanchum ligulatum image
Cynanchum ligulatum image
Cynanchum ligulatum image
Cynanchum ligulatum image
Cynanchum ligulatum image