Erythranthe patula |
Erythranthe sierrae |
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stalk-leaf monkey-flower |
Sierra Nevada monkeyflower |
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Habit | Annuals, fibrous-rooted or filiform-taprooted. | Annuals, taprooted. |
Stems | erect to ascending, straight or geniculate at nodes, usually simple, (3–)5–15(–24) cm, stipitate-glandular, hairs 0.2–0.5 mm, gland-tipped. |
erect, simple or branched from basal nodes, (3–)4–20 cm, minutely glandular. |
Leaves | cauline, basal not persistent; petiole (5–)8–25 mm; blade palmately 3-veined, deltate or ovate to ovate-lanceolate, 4–12(–17) × 3–10(–14) mm, base rounded to cuneate-truncate, margins usually denticulate, apex acute to obtuse, surfaces stipitate-glandular, hairs 0.2–0.5 mm, gland-tipped. |
cauline, basal not persistent; petiole 0 mm; blade 1-veined or palmately 3-veined (in broader ones), linear to oblanceolate, 3–23 × 1–10 mm, base attenuate, margins entire, sometimes toothed, apex acute, surfaces minutely glandular. |
Flowers | herkogamous, 1–10, from proximal to distal nodes. |
herkogamous, 1–38, from distal or medial to distal nodes. |
Styles | glabrous. |
glabrous. |
Corollas | yellow, abaxial limb usually with a few red or brownish dots, radially or bilaterally symmetric, regular or weakly bilabiate; tube-throat funnelform, 7–8 mm, exserted beyond calyx margin; lobes oblong, apex rounded to truncate. |
pale pink, abaxial limb with 2 yellow ridges, bilaterally symmetric, strongly bilabiate; tube-throat funnelform, 5–15 mm, exserted beyond calyx margin; limb expanded 5–17 mm, lobes deeply notched, abaxial limb glabrous or sparsely puberulent. |
Fruiting pedicels | 10–25(–38) mm, stipitate-glandular, hairs 0.2–0.5 mm, gland-tipped. |
10–33(–40) mm. |
Fruiting calyces | tubular, weakly or not inflated, 5–6(–7) mm, margins distinctly toothed or lobed, sparsely stipitate-glandular to sparsely hirtellous, lobes pronounced, erect. |
sometimes red-spotted, campanulate to cylindric, 4–8 mm, margins distinctly toothed or lobed, minutely glandular, ribs weak, lobes pronounced, erect, margins ciliate. |
Capsules | included, 4–6 mm. |
included, 4–9 mm. |
Anthers | included, glabrous. |
included, glabrous. |
2n | = 32. |
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Erythranthe patula |
Erythranthe sierrae |
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Phenology | Flowering Apr–May(–Aug). | Flowering Apr–Jul. |
Habitat | Ephemeral seeps, springs, rocky stream banks, moist basalt, fine gravel on bedrock, muddy hillside seeps, crevices. | Foothill oak woodlands, mixed coniferous forests. |
Elevation | 200–1900(–2900) m. (700–6200(–9500) ft.) | 200–2300 m. (700–7500 ft.) |
Distribution |
ID; MT; OR; WA; WY; AB; BC
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CA |
Discussion | Erythranthe patula is distinctive with its long-petiolate leaves with ovate blades and its small, weakly bilabiate to nearly radially symmetric corollas. Vestiture may include only minute, stipitate-glandular hairs or it may be an intergrading mix of stipitate-glandular hairs and minute (0.1–0.2 mm), sharp-pointed, eglandular hairs. Plants may have stipitate-glandular pedicels and calyces but hirtellous, eglandular stems, or they may have stipitate-glandular stems and pedicels but hirtellous calyces. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Erythranthe sierrae is endemic to the southern Sierra Nevada in Fresno, Kern, and Tulare counties. The species was previously treated as E. palmeri but can be distinguished by having leaf margins that are often toothed, pale pink corollas, and white stamens. Erythranthe palmeri has entire leaf margins that are never toothed, deep pink to purple corollas, and yellow stamens. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 17, p. 397. | FNA vol. 17, p. 385. |
Parent taxa | Phrymaceae > Erythranthe | Phrymaceae > Erythranthe |
Sibling taxa | ||
Synonyms | Mimulus patulus | |
Name authority | (Pennell) G. L. Nesom: Phytoneuron 2012-39: 39. (2012) | N. S. Fraga: Aliso 30: 67, figs. 29–31. (2012) |
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