Wildflowers of Southern Arizona
Arizona Centaury.
Zeltnera calycosa.
Gentian (Gentianaceae) family.
Plant: Annual herb. Stems simple or branched at the base, to 70 cm tall, the upper portion often angled and winged. Leaves: opposite and sessile, or petioled and in basal rosettes, glabrous, 2-5 cm long, lanceolate to ovate; basal rosette common. INFLORESCENCE: cymose. Flowers: pedicellate; calyx lobes 7-12 mm long, the tube ca. 1 mm long; corolla pink, rarely white, marcescent, the tube 12-20 mm long, the lobes lanceolate, 8-12 mm long. Fruit: cylindric capsules, 8-14 mm long. SEEDS oblong to spherical, finely reticulate. Misc: In moist soil and stream beds; 300-1850 m (1000-6100 ft; Feb-Nov.
Santa Catalina Mountains.
Catalina State Park
Location: Beside Southerland Wash at second crossing of Southerland trail
4/9/16
See SEINet Pictures and Description