Sabino Canyon by road to Bear Canyon. Fruit. 11/17/15.
Sabino Canyon by road to Bear Canyon. Aphids. 11/24/15.
Saguaro National Park East. Tanque Verde Ridge Trail. 11/20/15.
Wildflowers of Southern Arizona
Dogbane (Apocynaceae) family.
Plant: vine; Stems pubescent in lines above the petioles. Leaves: oblong (the revolute margins often giving a linear appearance, especially in dried material), 0.6-3 cm long, 0.3-0.5 cm broad, glabrous, sparsely pubescent to glabrate on the midvein above and beneath, the margins sparsely ciliate; petioles pubescent above, 2-3 mm long. INFLORESCENCE: subsessile, umbelliform, ca. 1 cm across. Flowers: 3-4 mm long; calyx lobes ca. 2 mm long; corolla whitish to yellowish, campanulate, the tube ca. 1 mm long, the lobes narrowly ovate, 2-4 mm long, densely pilose inside, the tips recurved; crown segments distinct, 1-2 mm long, erect, linear-lanceolate, slightly surpassing the stigma-head; anther wings ca. 0.4 mm long; corpusculum 0.2 mm long, the pollinia oblanceolate, ca. 0.25 mm long; stigma head apically rounded. Fruit: FOLLICLES 3-6(-7) cm long. Misc: Rocky slopes and canyons of desert mt. ranges; 450-1350 m (1500-4500 ft); all year (mostly May-Oct).
Santa Catalina Mountains.
Sabino Canyon Recreation Area.
Location: Road to Bear Canyon before bridge crossing Sabino Creek.
See SEINet Pictures and Description