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yellow twining snapdragon

Stems

sprawling, 10–70(–100) cm, glabrous or hairy proximally.

Leaves

blade ovate to lanceolate, 6–50 × 2–15 mm, glabrous.

Pedicels

30–100 mm.

Flowers

calyx lobes equal or subequal, 3–4.5 mm;

corolla yellow, 10–15 mm, mouth 3–3.5 mm diam., abaxial lobes reflexed, often purple near base, adaxial lobes projecting, golden yellow, palate yellow with maroon spots.

Capsules

often pendent, globular, 3–5 mm, puberulent, with 2, irregular pores.

Seeds

spotted with white, ovoid to subglobular, 1 mm, abaxial surface longitudinally ribbed.

2n

= 30.

Neogaerrhinum filipes

Phenology Flowering Mar–May.
Habitat Desert washes and shrublands.
Elevation 60–2000 m. (200–6600 ft.)
Distribution
from FNA
AZ; CA; NV; UT; Mexico (Sonora)
[WildflowerSearch map]
[BONAP county map]
Source FNA vol. 17, p. 39.
Parent taxa Plantaginaceae > Neogaerrhinum
Sibling taxa
N. strictum
Synonyms Antirrhinum filipes, A. cooperi, Asarina filipes
Name authority (A. Gray) Rothmaler: Feddes Repert. Spec. Nov. Regni Veg. 52: 31. (1943)
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