Erythranthe filicaulis |
Erythranthe chinatiensis |
|
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Hetch Hetchy monkey-flower, slender-stem monkeyflower |
Chinati Mountains monkeyflower |
|
Habit | Annuals, taprooted. | Perennials, rhizomatous, sometimes rooting at nodes, mat-forming. |
Stems | erect, simple or branched at basal nodes, 4–30 cm, densely glandular-puberulent, hairs 0.05–0.1 mm, gland-tipped. |
procumbent, branched, 5–20 cm, glabrous. |
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. |
cauline; petiole 2–10(–20) mm; blade palmately 3–5(–7)-veined, ovate to broadly ovate or orbicular-ovate, 4–15(–22) × 4–15(–18) mm, base truncate to cuneate, margins shallowly denticulate or merely mucronate to mucronulate, teeth 3–6 per side, apex acute to obtuse, surfaces glabrous, adaxial sometimes moderately villosulous, hairs vitreous, flattened, eglandular or minutely gland-tipped. |
Flowers | herkogamous, 2–8, from medial to distal nodes. |
plesiogamous, 2–8, axillary at distal nodes. |
Styles | glabrous. |
glabrous. |
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. |
yellow, red-dotted, bilaterally symmetric, bilabiate; tube-throat funnelform, 7–8 mm, exserted beyond calyx margin; limb expanded 6–7 mm, abaxial limb strongly reflexed, lobes fimbriate. |
Fruiting pedicels | 9–30 mm, densely glandular-puberulent, hairs 0.05–0.1 mm, gland-tipped. |
10–20 mm, glabrous. |
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. |
nodding 45–90º, 5-lobed, ellipsoid, inflated, sagittally compressed, 5–6 mm, glabrous or sparsely villosulous-glandular, throat closing. |
Capsules | included, 5–7 mm. |
included, 4–5 mm. |
Anthers | included, hirtellous. |
included, glabrous. |
2n | = 16. |
|
Erythranthe filicaulis |
Erythranthe chinatiensis |
|
Phenology | Flowering May–Jul. | Flowering Feb–Sep. |
Habitat | Moist open areas on gentle slopes, meadows, roadsides, gravelly soils. | Seeps in vertical cliff faces, wet bluffs. |
Elevation | 800–1800 m. (2600–5900 ft.) | 600–1900(–2300) m. (2000–6200(–7500) ft.) |
Distribution |
CA
|
TX |
Discussion | Erythranthe filicaulis is known only for certain from Mariposa and Tuolumne counties. Kappler 1691 (UCLA) from Madera County also may be this species. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Erythranthe chinatiensis is similar to E. parvula in its prostrate habit, five-lobed calyces, and fimbriate corolla lobes. It differs from the latter in its nearly glabrous leaves and strongly reflexed abaxial corolla lip. Erythranthe chinatiensis is known only from Presidio County but should be expected to occur also in adjacent Chihuahua, Mexico. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 17, p. 391. | FNA vol. 17, p. 424. |
Parent taxa | Phrymaceae > Erythranthe | Phrymaceae > Erythranthe |
Sibling taxa | ||
Synonyms | Mimulus filicaulis, M. biolettii | |
Name authority | (S. Watson) G. L. Nesom & N. S. Fraga: Phytoneuron 2012-39: 36. (2012) | G. L. Nesom: Phytoneuron 2012-40: 86, figs. 12–14. (2012) |
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