Matelea cordifolia (A. Gray) Woods.  
Family: Apocynaceae
Sonoran milkvine,  more...
[Rothrockia cordifolia A. Gray]
Matelea cordifolia image
Sue Carnahan  
Plant: perennial vine, Densely hirsute to pilose, twining vines, the long straight hairs mixed with shorter, glandular, typically white-tipped trichomes; milky sap Leaves: cordate, the apex attenuate to abruptly apiculate, 3-9 cm long; petioles 2-7 cm long, mostly somewhat shorter than the blades INFLORESCENCE: irregularly cymose, from umbelliform to racemose-paniculate, the peduncles tardily elongating to 2-5 cm Flowers: ca. 1-2 cm long; calyx lobes 4-6 mm long, about equal to the corolla tube or slightly shorter; corolla white or tinged with green or light rose, sparsely short-hairy on the tube outside, glabrous inside, rotate-ascending, the tube ca. 3-5 mm long, the lobes oblong, spreading-erect, 7-13 mm long, mostly about twice as long as the tube; crown included within the corolla tube, arising from the column, of 5 distinct, fleshy, rectangular-saccate segments opposite and appressed to the anthers, ca. 0.5-1 mm high, 1-2 mm broad, about as long as the anther head, apically truncate and bidentate to erose toward the middle, the margins more or less folded inward; gynostegium scarcely elevated, the column 0.5-1 mm high, the anther head disk-shaped, the anther wings indistinct; corpusculum 0.1-0.2 mm long, the pollinia pendulous from the sharply bent translator arms, obovate, 0.4-0.5 mm long; stigma head apically projected 1-2 mm into a fluted column capped by an irregularly crested knob Fruit: FOLLICLES 10-13 cm long, glabrous Misc: 1500 m (5000 ft); Aug-Nov REFERENCES: Sundell, Eric. 1994. Asclepiadaceae. J. Ariz. - Nev. Acad. Sci. Volume 27, 169-187.
Matelea cordifolia image
Sue Carnahan  
Matelea cordifolia image
Sue Carnahan  
Matelea cordifolia image
José Jesús Sánchez-Escalante  
Matelea cordifolia image
José Jesús Sánchez-Escalante  
Matelea cordifolia image
Sue Carnahan  
Matelea cordifolia image
Sue Carnahan  
Matelea cordifolia image
Sue Carnahan  
Matelea cordifolia image
Sue Carnahan  
Matelea cordifolia image
Matelea cordifolia image
Matelea cordifolia image
Matelea cordifolia image
Matelea cordifolia image
Matelea cordifolia image
Matelea cordifolia image
Matelea cordifolia image
Matelea cordifolia image
Matelea cordifolia image
Matelea cordifolia image
Matelea cordifolia image
Matelea cordifolia image
Matelea cordifolia image