Sairocarpus kingii

(S. Watson) D. A. Sutton

Revis. Antirrhineae, 470. 1988.

Common names: Least snapdragon
IllustratedEndemic
Basionym: Antirrhinum kingii S. Watson Botany (Fortieth Parallel), 215, plate 21, figs. 1–4. 1871
Treatment appears in FNA Volume 17. Treatment on page 46. Mentioned on page 43, 44, 48.

Annuals. Stems 3–45 cm, not self-supporting, glabrous; branches twining. Leaves opposite proximally, alternate distally; blade elliptic to linear, 5–35 × 1–7 mm, surfaces glabrous. Inflorescences axillary, flowers solitary. Pedicels 1–12 mm. Flowers chasmogamous and cleistogamous; calyx lobes unequal, glandular-hairy, adaxial lobe 4–5.5 × 1.5–2 mm; corolla white, purple-veined, 5.5–7 mm, base gibbous, mouth 3–3.5 mm diam., palate purple-veined, angular, 2.5–3 mm diam., minutely papillate. Capsules ovoid to globular, 3–4.5 mm, glandular-hairy, abaxial locule with 1 pore. Seeds black, 1 mm, reticulate, ridged, or tuberculate. 2n = 30.


Phenology: Flowering Apr–Jul.
Habitat: Washes, scree, rocky slopes.
Elevation: 500–2300 m.

Distribution

Ariz., Calif., Idaho, Nev., Oreg., Utah.

Discussion

Selected References

None.

Lower Taxa

None.