Sairocarpus virga
Sairocarpus subcordatus
tall snapdragon, twig-like snapdragon
dimorphic snapdragon
40–220 cm, self-supporting, glabrous;
branches not twining.
8–90 cm, not self-supporting, hairy;
branches twining.
alternate;
blade linear, 50–120 × 3–10 mm, surfaces glabrous.
opposite proximally, alternate distally;
blade ovate, 10–60 × 5–45 mm, surfaces glabrous, glandular-hairy, or eglandular-hairy.
terminal, racemes.
axillary, racemes or flowers solitary.
2–6 mm.
1–3 mm.
chasmogamous;
calyx lobes equal, glabrous, adaxial lobe 6–8 × 1.5–2.5 mm;
corolla pink to pale pink, 13–18 mm, base gibbous, mouth 3–5 mm diam., palate not veined, rounded, 5–7.5 mm diam., puberulent.
chasmogamous;
calyx lobes unequal, hairy or glandular-hairy, adaxial lobe 8–14 × 5–10 mm;
corolla white to tan, 13–17 mm, base gibbous, mouth 2.5–3.5 mm diam., palate not veined, slightly 2-lobed, 5–9 mm diam., tomentose.
globular-ovoid, 7–9 mm, glabrous, abaxial locule with 2 pores.
narrowly ovoid, 5–6 mm, glandular-hairy, abaxial locule with 1 pore.
black, 1–1.5 mm, ridges reticulate.
dark brown to black, 1 mm, tuberculate, reticulate-ridged.
= 32.
= 30.
Sairocarpus virga
Sairocarpus subcordatus
Stems of Sairocarpus virga regrow quickly after fires (D. M. Thompson 1988).
Sairocarpus virga is known from the southern High and Inner North Coast ranges.
(Discussion copyrighted by Flora of North America; reprinted with permission.)
Sairocarpus subcordatus is similar to S. vexillocalyculatus; it has relatively broader leaves and white to tan corollas with abaxial lobes reflexed. The species is known from the northern and central Inner North Coast Ranges.
(Discussion copyrighted by Flora of North America; reprinted with permission.)
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