Collinsia bartsiifolia
in A. P. de Candolle and A. L. P. P. de Candolle, Prodr. 10: 318. 1846. (as bartsiaefolia)
Annuals 5–35 cm. Stems erect to ascending or decumbent. Leaf blades lanceolate-oblong to oblong, 1–4 cm, margins crenate. Inflorescences sparsely and obscurely glandular or shaggy-hairy or densely glandular; whorls (1 or)2–7 on main axis, sometimes fewer on branches; nodes (2 or)3–6-flowered; flowers crowded; distalmost bracts linear, 3–5(+) mm. Pedicels ascending to spreading, shorter than calyx, not or scarcely visible. Flowers: calyx lobes oblong to ovate, equal to capsule, ape× rounded; corolla whitish to pinkish, banner lobes and wings rarely purple-tipped and/or with purple spots at base, 8–20 mm, glabrous or glandular; banner length 0.5–0.9+ times wings, lobe base without folds, tube longer than diam., hairy inside; banner lobes ± oblong, toothed, backs often touching or parallel, wings ± oblong to obovate, entire or notched; stamens: abaxial filaments glabrous or hairy, adaxials hairy, basal spur 0(or 1). Seeds 8–16, oblong to ovate, sometimes prismatic or hourglass-shaped, 0.8–1.5 mm, margins thickened, inrolled.
Discussion
Varieties 4 (4 in the flora).
Selected References
None.
Lower Taxa
Key
| 1 | Corollas 13–20 mm. | > 2 |
| 2 | Banner lengths 0.7–0.9+ times wings; plants (10–)20–35 cm. | Collinsia bartsiifolia var. bartsiifolia |
| 2 | Banner lengths 0.5–0.7 times wings; plants 5–20 cm. | Collinsia bartsiifolia var. hirsuta |
| 1 | Corollas 8–14 mm. | > 3 |
| 3 | Corollas glabrous, usually white to pale lavender, wings often pinkish, obovate, notably notched; inflorescences not or scarcely glandular. | Collinsia bartsiifolia var. davidsonii |
| 3 | Corollas glandular, pink to pinkish lavender, wings usually purple-tipped with purple spots at base, oblong to oblanceolate, entire or shallowly notched; inflorescences usually notably densely glandular. | Collinsia bartsiifolia var. stricta |