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climbing snapdragon, roving sailor, violet twining snapdragon

Habit Perennials vines, 50–300 cm.
Leaves

glabrous;

petiole 5–45 mm;

blade hastate to sagittate, 5–30 × 4–35 mm.

Pedicels

ascending, winged, 10–45 mm, glabrous.

Flowers

sepals subequal, adaxial lateral pair falcate, 9–14 × 2–3 mm, apex acute, surfaces glabrous;

corolla tube 13–17 mm, glabrous externally, throat closed, palate inflated and streaked with white, yellow, or violet, puberulent to villous, lobes rounded, 4–8 mm, abaxial lobes projecting, adaxial erect;

stamens included, filaments incurved, yellow-villous basally, abaxial 9–12 mm, adaxial 11–14 mm, pollen sacs oblong;

ovary septum V-shaped, locules unequal;

style terete, included, 10–13 mm, stigma recurved.

Capsules

globular, 7–10 mm, glabrous, larger locule dehiscing first.

Seeds

1–1.5 mm, surfaces cristate-tuberculate.

2n

= 24.

Maurandella antirrhiniflora

Phenology Flowering Feb–Dec.
Habitat Canyons, rocky slopes, arroyos, coastal dunes, desert flats on siliceous, calcareous, gypseous substrates.
Elevation 0–1800(–2600) m. (0–5900(–8500) ft.)
Distribution
from FNA
AZ; CA; NM; NV; TX; Mexico
[WildflowerSearch map]
[BONAP county map]
Discussion

Maurandella antirrhiniflora has been treated either as one of two species in Maurandella (along with M. hederifolia) (W. Rothmaler 1943; D. A. Sutton 1988), or as one species with M. hederifolia treated at subspecific rank (W. J. Elisens 1985). Maurandella antirrhiniflora is recognized here without infraspecific variants to be consistent with the pattern of interspecific variation in Antirrhineae. Variable floral coloration is present in central Arizona and California, with pink and red corolla morphs occurring in discrete populations from the widespread blue to violet morphs.

(Discussion copyrighted by Flora of North America; reprinted with permission.)

Source FNA vol. 17, p. 35.
Parent taxa Plantaginaceae > Maurandella
Synonyms Maurandya antirrhiniflora, Antirrhinum antirrhiniflora, Asarina antirrhiniflora
Name authority (Humboldt & Bonpland ex Willdenow) Rothmaler: Feddes Repert. Spec. Nov. Regni Veg. 52: 27. (1943)
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