Wildflowers of Southern Arizona
Madder (Rubiaceae) family.
Plant: perennial herb; Polygamous, very finely puberulent. STEMS 15-45 cm long from woody bases, little branched, the branches short. Leaves: 4 per node, 10-23 mm long, linear to narrowly lanceolate-oblanceolate, each narrowed to a broad insertion and narrowed abruptly to a non-pungent apex. Flowers: on narrow inflorescence, the branchlets short, ascending, little exserted; corollas glabrous, greenish or yellow, the apices usually short and blunt. Fruit: a little nodding, densely covered with long straight hairs. Misc: Moist shady places, talus slopes, rock crevices, hillsides; 2050-3150 m (6800-10400 ft); Jul-Oct.
Santa Catalina Mountains.
Oracle Ridge Trail.
Location: Beside trail .5 mile from trailhead.
See SEINet Pictures and Description