Erythranthe filicaulis

(S. Watson) G. L. Nesom & N. S. Fraga

Phytoneuron 2012-39: 36. 2012.

Common names: Slender-stemmed monkeyflower
EndemicConservation concern
Basionym: Mimulus filicaulis S. Watson Proc. Amer. Acad. Arts 26: 125. 1891
Synonyms: M. biolettii Eastwood
Treatment appears in FNA Volume 17. Treatment on page 391. Mentioned on page 379, 392.

Annuals, taprooted. Stems erect, simple or branched at basal nodes, 4–30 cm, densely glandular-puberulent, hairs 0.05–0.1 mm, gland-tipped. Leaves cauline, basal usually not persistent; petiole 0 mm; blade 1-veined or palmately 3-veined, linear to oblanceolate, 6–15 × (1–)2–3 mm, base attenuate, margins entire to remotely mucronulate, teeth 1–3 per side, apex acute, surfaces densely glandular-puberulent, hairs 0.05–0.1 mm, gland-tipped. Flowers herkogamous, 2–8, from medial to distal nodes. Fruiting pedicels 9–30 mm, densely glandular-puberulent, hairs 0.05–0.1 mm, gland-tipped. Fruiting calyces reddish brown-spotted, strongly angled, cylindric-campanulate, 7–9 mm, margins distinctly toothed or lobed, densely glandular-puberulent, hairs 0.05–0.1 mm, gland-tipped, ribs corky, lobes pronounced, spreading. Corollas pink to purple, throat dark red-purple, palate ridges yellow, bilaterally or nearly radially symmetric, weakly bilabiate or nearly regular; tube-throat cylindric-funnelform, 8–12(–17) mm, exserted beyond calyx margin; limb expanded 10–14 mm, lobes notched, palate villous. Styles glabrous. Anthers included, hirtellous. Capsules included, 5–7 mm. 2n = 16.


Phenology: Flowering May–Jul.
Habitat: Moist open areas on gentle slopes, meadows, roadsides, gravelly soils.
Elevation: 800–1800 m.

Discussion

Erythranthe filicaulis is known only for certain from Mariposa and Tuolumne counties. Kappler 1691 (UCLA) from Madera County also may be this species.

Selected References

None.

Lower Taxa

None.
... more about "Erythranthe filicaulis"
Guy L. Nesom +  and Naomi S. Fraga +
(S. Watson) G. L. Nesom & N. S. Fraga +
Mimulus filicaulis +
Slender-stemmed monkeyflower +
800–1800 m. +
Moist open areas on gentle slopes, meadows, roadsides, gravelly soils. +
Flowering May–Jul. +
Phytoneuron +
Endemic +  and Conservation concern +
M. biolettii +
Erythranthe filicaulis +
Erythranthe +
species +