Sairocarpus kingii |
Sairocarpus vexillocalyculatus |
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King's snapdragon, least snapdragon, least toad's-mouth |
wiry snapdragon |
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Habit | Annuals. | Annuals. | ||||||||
Stems | 3–45 cm, not self-supporting, glabrous; branches twining. |
7–170 cm, not self-supporting, glabrous, eglandular-hairy, or glandular-hairy; branches twining. |
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Leaves | opposite proximally, alternate distally; blade elliptic to linear, 5–35 × 1–7 mm, surfaces glabrous. |
opposite proximally, alternate distally; blade ovate to narrowly elliptic, 10–60 × 1–20 mm, surfaces glabrous or hairy. |
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Inflorescences | axillary, flowers solitary. |
axillary, racemes or flowers solitary. |
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Pedicels | 1–12 mm. |
1–4 mm. |
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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. |
cleistogamous and chasmogamous; calyx lobes unequal, glandular-hairy, adaxial lobe 3.5–14 × 1–9 mm; corolla light purple to white, often dark-veined, 8–17 mm, base gibbous, mouth 2–4 mm diam., palate sometimes purple-veined, convex, 3.5–8 mm diam., puberulent. |
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Capsules | ovoid to globular, 3–4.5 mm, glandular-hairy, abaxial locule with 1 pore. |
ovoid, 4–8 mm, glandular-hairy, abaxial locule with 1 pore. |
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Seeds | black, 1 mm, reticulate, ridged, or tuberculate. |
dark brown to black, 0.7–1.5 mm, tuberculate, reticulate-ridged. |
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2n | = 30. |
= 30. |
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Sairocarpus kingii |
Sairocarpus vexillocalyculatus |
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Phenology | Flowering Apr–Jul. | |||||||||
Habitat | Washes, scree, rocky slopes. | |||||||||
Elevation | 500–2300 m. (1600–7500 ft.) | |||||||||
Distribution |
AZ; CA; ID; NV; OR; UT
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CA; OR
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Discussion | Subspecies 3 (3 in the flora). Subspecies breweri and vexillocalyculatus intergrade where their distributions overlap in the coastal ranges of California. Subspecies intermedius is disjunct in the Sierra Nevada. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
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Key |
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Source | FNA vol. 17, p. 46. | FNA vol. 17, p. 47. | ||||||||
Parent taxa | Plantaginaceae > Sairocarpus | Plantaginaceae > Sairocarpus | ||||||||
Sibling taxa | ||||||||||
Subordinate taxa | ||||||||||
Synonyms | Antirrhinum kingii | Antirrhinum vexillocalyculatum | ||||||||
Name authority | (S. Watson) D. A. Sutton: Revis. Antirrhineae, 470. (1988) | (Kellogg) D. A. Sutton: Revis. Antirrhineae, 472. (1988) | ||||||||
Web links |