Loeseliastrum schottii

PLANTS: tems 3-12 cm tall, the upper stems sparsely leafy below, pubescent. LEAVES: mostly oblong, toothed to shallowly lobed, 1-3 cm long, the teeth and lobes with 1 bristle, the distal half also ciliate. FLOWERS: calyx 4-6 mm long, the lobes pilose and glandular; corolla bilabiate, the tube 5-10 mm long, the upper lip with 3 lobes, the lower lip with 2 lobes, the lobes white to deep lavender with maroon streaks at the base of the upper lobes; stamens unequal, curving upward; anthers slightly included to exserted; pollen yellow. CAPSULE: 2-5 mm long. NOTES: Washes and bajadas, desert shrublands and woodlands: La Paz, Maricopa, Mohave, Yavapai, Yuma cos.; 200-4500 ft; Mar-May; CA to sw UT, nw Mex. Reports of L. matthewsii (A. Gray) Timbrook in AZ are incorrect. REFERENCES: Dieter H. Wilken and J. Mark Porter, 2005, Vascular Plants of Arizona: Polemoniaceae. CANOTIA 1: 1-37.

Wilken and Timbrook 2016 (Jepson Online), Wilken and Porter 2005 (VPAP Treatment)

Duration: Annual Nativity: Native Lifeform: Forb/Herb General: Bristly annual herbs; stems erect, 3-12 cm tall, the upper stems sparsely leafy below, pubescent. Leaves: Alternate, mostly oblong, toothed to shallowly lobed, 1-3 cm long, the teeth and lobes with 1 bristle, the distal half also ciliate Flowers: Calyx 4-6 mm long, the lobes pilose and glandular; corolla bilabiate, the tube 5-10 mm long, the upper lip with 3 lobes, the lower lip with 2 lobes, the lobes white to deep lavender with maroon streaks at the base of the upper lobes; stamens unequal, curving upward; anthers slightly included to exserted; pollen yellow. Fruits: Capsule 2-5 mm long, ovoid, 3-lobes in cross-section. Ecology: Common in desert washes, flats, slopes, sandy to gravelly soils, below 1800 m; flowers March -June. Distribution: s California: to southwestern Utah, western Arizona, northern Mexico Synonyms: Langloisia flaviflora, Langloisia schottii, Navarretia schottii Editor: AHazelton 2016