Flora of North America species comparison

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Sairocarpus kingii

King's snapdragon, least snapdragon, least toad's-mouth
Habit 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.

Sairocarpus kingii
Phenology Flowering Apr–Jul.
Habitat Washes, scree, rocky slopes.
Elevation 500–2300 m. (1600–7500 ft.)
Distribution
from FNA
AZ; CA; ID; NV; OR; UT
[WildflowerSearch map]
[BONAP county map]
Source FNA vol. 17, p. 46.
Parent taxa Plantaginaceae > Sairocarpus
Sibling taxa
S. cornutus, S. coulterianus, S. multiflorus, S. nuttallianus, S. subcordatus, S. vexillocalyculatus, S. virga, S. watsonii
Synonyms Antirrhinum kingii
Name authority (S. Watson) D. A. Sutton: Revis. Antirrhineae, 470. (1988)
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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(If the plant you're looking for doesn't show up in the auto-complete list, that means it either isn't described in Flora of North America yet, or it's listed under a synonym. And please note that Flora of North America is still missing several plant families, including Fabaceae, Apiaceae, Boraginaceae, and Polemoniaceae.)

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