Erythranthe patula |
Erythranthe arenaria |
|
---|---|---|
stalk-leaf monkey-flower |
sand-loving monkeyflower |
|
Habit | Annuals, fibrous-rooted or filiform-taprooted. | Annuals, fibrous-rooted or filiform-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 to ascending, straight or geniculate at nodes, simple or branched, 5–20 cm, villous-glandular, hairs 0.2–0.8 mm, gland-tipped. |
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. |
basal and cauline; petiole 0 mm or proximals 1–3(–5) mm; blade 1-veined or palmately 3-veined, elliptic to narrowly elliptic, ovate-elliptic, or ovate-lanceolate, 5–12(–17) × 3–7 mm, base rounded to cuneate-attenuate, margins entire or sparsely dentate to serrate, apex acuminate to acute or obtuse, surfaces villous-glandular, hairs 0.2–0.8 mm, gland-tipped. |
Flowers | herkogamous, 1–10, from proximal to distal nodes. |
herkogamous, 1–22, from proximal 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. |
yellow, abaxial limb red-dotted, bilaterally symmetric, weakly bilabiate; tube-throat funnelform, 9–12(–14) mm, exserted beyond calyx margin; lobes broadly obovate, apex rounded. |
Fruiting pedicels | 10–25(–38) mm, stipitate-glandular, hairs 0.2–0.5 mm, gland-tipped. |
divergent-arcuate, 10–23 mm, villous-glandular, hairs 0.2–0.8 mm, gland-tipped. |
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. |
usually red-dotted, narrowly campanulate, not or weakly inflated, 5–7(–9) mm, margins distinctly toothed or lobed, villous-glandular, ribs angled, lobes pronounced, erect. |
Capsules | included, 4–6 mm. |
included, 4–7 mm. |
Anthers | included, glabrous. |
included, glabrous. |
2n | = 32. |
= 32. |
Erythranthe patula |
Erythranthe arenaria |
|
Phenology | Flowering Apr–May(–Aug). | Flowering May–Sep. |
Habitat | Ephemeral seeps, springs, rocky stream banks, moist basalt, fine gravel on bedrock, muddy hillside seeps, crevices. | Sandy flats, bars, gullies, washes, trails, roadcuts, seasonal creek beds and drainages, rocky slopes, seepy loam, ditches, lake edges, meadows, openings in pine-fir and pine-oak woodlands. |
Elevation | 200–1900(–2900) m. (700–6200(–9500) ft.) | (100–)500–2600(–2800) m. ((300–)1600–8500(–9200) ft.) |
Distribution |
ID; MT; OR; WA; WY; AB; BC
|
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 arenaria is known from a cluster of six counties of the central Sierra Nevada: Fresno, Madera, Mariposa, Merced, Tulare, and Tuolumne. Most plants of Erythranthe arenaria have relatively even-sized cauline leaves, all sessile to proximally subsessile. Plants in the Yosemite area with persistent basal leaves that are short-petiolate, ovate with a cuneate base, and relatively larger than the more distal cauline ones, and possibly related to E. arenaria, have been named M. floribundus var. subulatus. These might be construed as showing the influence of E. geniculata, but that species occurs only at the lower range of elevation of E. arenaria, while plants referable to Mimulus floribundus var. subulatus occur at least to 2300 m and also have the erect habit characteristic of E. arenaria. These variants should be investigated, especially in the Yosemite area where they appear to be relatively common, with the possibility that they indeed represent a distinct entity. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 17, p. 397. | FNA vol. 17, p. 403. |
Parent taxa | Phrymaceae > Erythranthe | Phrymaceae > Erythranthe |
Sibling taxa | ||
Synonyms | Mimulus patulus | Mimulus arenarius, M. floribundus var. subulatus, M. multiflorus, M. subulatus, M. trisulcatus |
Name authority | (Pennell) G. L. Nesom: Phytoneuron 2012-39: 39. (2012) | (A. L. Grant) G. L. Nesom: Phytoneuron 2012-39: 38. (2012) |
Web links |
|
|