Sairocarpus vexillocalyculatus |
Sairocarpus vexillocalyculatus subsp. intermedius |
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wiry snapdragon |
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Habit | Annuals. | |||||||||
Stems | 7–170 cm, not self-supporting, glabrous, eglandular-hairy, or glandular-hairy; branches twining. |
10–100 cm, proximally glandular-hairy and eglandular-hairy. |
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Leaves | opposite proximally, alternate distally; blade ovate to narrowly elliptic, 10–60 × 1–20 mm, surfaces glabrous or hairy. |
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Inflorescences | axillary, racemes or flowers solitary. |
branches with 2 leaves at each proximal node. |
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Pedicels | 1–4 mm. |
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Flowers | 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. |
calyx adaxial lobe 4.5–6.5(–10) mm; corolla light purple, dark-veined on palate, 10–14 mm, adaxial lip 2.5–5.5 mm. |
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Capsules | ovoid, 4–8 mm, glandular-hairy, abaxial locule with 1 pore. |
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Seeds | dark brown to black, 0.7–1.5 mm, tuberculate, reticulate-ridged. |
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2n | = 30. |
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Sairocarpus vexillocalyculatus |
Sairocarpus vexillocalyculatus subsp. intermedius |
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Phenology | Flowering Jun–Sep. | |||||||||
Habitat | Gravelly slopes, disturbed sites. | |||||||||
Elevation | 100–1400 m. (300–4600 ft.) | |||||||||
Distribution |
CA; OR
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CA |
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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.) |
Subspecies intermedius is known from the northern and central 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. 47. | FNA vol. 17, p. 48. | ||||||||
Parent taxa | Plantaginaceae > Sairocarpus | Plantaginaceae > Sairocarpus > Sairocarpus vexillocalyculatus | ||||||||
Sibling taxa | ||||||||||
Subordinate taxa | ||||||||||
Synonyms | Antirrhinum vexillocalyculatum | Antirrhinum vexillocalyculatum subsp. intermedium | ||||||||
Name authority | (Kellogg) D. A. Sutton: Revis. Antirrhineae, 472. (1988) | (D. M. Thompson) Barringer: Phytoneuron 2013-34: 2. (2013) | ||||||||
Web links |