Tinantia anomala
in A. L. P. de Candolle and C. de Candolle, Monographiae Phanerogamarum 3: 287. 1881.
Herbs, annual, cespitose, to 80 cm. Leaves dimorphic, glaucous; basal leaves tapered into long petiole, linear-spatulate; distal cauline leaves sessile, broadly to narrowly lanceolate, 6–20 cm, base commonly cordate-clasping, apex acute to acuminate. Inflorescences terminal, cymes solitary; bracteoles 3–5 mm. Flowers 2–2.5 cm wide; sepals boat-shaped, 9–12 mm, glabrous; proximal petal white, rhombic, 3–4 mm; distal petals blue to lavender, obovate, 15–18 mm; proximal lateral stamens with purple hairs; distal stamens bearded with yellow-tipped hairs; ovules 2 per locule. Capsules oblong, 6–8 mm. Seeds gray-brown. 2n = 26.
Phenology: Flowering spring–early summer.
Habitat: Limestone talus slopes, granitic slopes, edges of woods and ravines, prefers some shade
Distribution
Tex., Mexico (Durango).
Discussion
Only one record of Tinantia anomala is known from Durango.
Selected References
None.