Sairocarpus virga

(A. Gray) D. A. Sutton

Revis. Antirrhineae, 466. 1988.

Common names: Tall or twig-like snapdragon
Endemic
Basionym: Antirrhinum virga A. Gray Proc. Amer. Acad. Arts 7: 373. 1868
Treatment appears in FNA Volume 17. Treatment on page 48. Mentioned on page 45.

Perennials. Stems 40–220 cm, self-supporting, glabrous; branches not twining. Leaves alternate; blade linear, 50–120 × 3–10 mm, surfaces glabrous. Inflorescences terminal, racemes. Pedicels 2–6 mm. Flowers 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. Capsules globular-ovoid, 7–9 mm, glabrous, abaxial locule with 2 pores. Seeds black, 1–1.5 mm, ridges reticulate. 2n = 32.


Phenology: Flowering Jun–Jul.
Habitat: Openings in chaparral, rocky areas, often on serpentine.
Elevation: 200–2000 m.

Discussion

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.

Selected References

None.

Lower Taxa

None.
... more about "Sairocarpus virga"
hairy;glandular-hairy +
1.5mm +  and 2.5mm +
Kerry A. Barringer +
(A. Gray) D. A. Sutton +
alternate +, opposite +, whorled +, helical +  and subopposite +
gibbous +
Antirrhinum virga +
5 cm50 mm <br />0.05 m <br /> (12 cm120 mm <br />0.12 m <br />) +
linear;oblanceolate +
not leathery +  and not fleshy +
0.3 cm3 mm <br />0.003 m <br /> (1 cm10 mm <br />0.01 m <br />) +
glandular-hairy +, hairy +  and glabrous +
cupulate +, tubular +  and symmetric +
globular-ovoid +
0.7 cm7 mm <br />0.007 m <br /> (0.9 cm9 mm <br />0.009 m <br />) +
Tall or twig-like snapdragon +
personate +  and bilabiate +
pink +  and pale-pink +
1.3 cm13 mm <br />0.013 m <br /> (1.8 cm18 mm <br />0.018 m <br />) +
drupe-like +
200–2000 m. +
curved +  and straight +
glandular-hairy +  and glabrous +
1 +  and 4 +
poricidal +, septicidal +, loculicidal +  and dehiscence +
0.25 cm2.5 mm <br />0.0025 m <br /> (1.1 cm11 mm <br />0.011 m <br />) +
Openings in chaparral, rocky areas, often on serpentine. +
axillary +  and terminal +
persistent +  and deciduous +
as-long-as corolla-tube +  and shorter +
ovate;lanceolate +
unequal +
entire +  and subentire toothed or lobed +
axile +  and parietal +
basal +, apical +  and superior +
tenuinucellate +, unitegmic +  and hemitropous +
campylotropous +, hemianatropous +  and anatropous +
0.5 cm5 mm <br />0.005 m <br /> (0.75 cm7.5 mm <br />0.0075 m <br />) +
2.5 cm25 mm <br />0.025 m <br /> (3 cm30 mm <br />0.03 m <br />) +
0.2 cm2 mm <br />0.002 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
5 +  and 4 +
Flowering Jun–Jul. +
Revis. Antirrhineae, +
minute +
ovoid +  and oblong +
0.1 cm1 mm <br />0.001 m <br /> (0.15 cm1.5 mm <br />0.0015 m <br />) +
alternate +  and opposite +
self-supporting +
sprawling +, creeping +  and prostrate +
filiform +
40 cm400 mm <br />0.4 m <br /> (220 cm2,200 mm <br />2.2 m <br />) +
punctiform +
Sairocarpus virga +
Sairocarpus +
species +
perennial +, biennial +  and annual +