Erythranthe arenaria |
Erythranthe androsacea |
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sand-loving monkeyflower |
Androsace monkeyflower, rock-jasmine monkeyflower |
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Habit | Annuals, fibrous-rooted or filiform-taprooted. | Annuals, taprooted. |
Stems | erect to ascending, straight or geniculate at nodes, simple or branched, 5–20 cm, villous-glandular, hairs 0.2–0.8 mm, gland-tipped. |
erect, simple or branched from basal nodes, 0.5–10 cm, glabrous or minutely puberulent. |
Leaves | 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. |
cauline, basal not persistent; petiole 0 mm; blade 1-veined or palmately 3-veined (in broader ones), linear to lanceolate or ovate, 2–8 × 1–5 mm, base attenuate, sometimes clasping, margins entire, sometimes toothed, apex acute, surfaces glabrous or minutely puberulent. |
Flowers | herkogamous, 1–22, from proximal to distal nodes. |
herkogamous, sometimes plesiogamous, 1–22, from distal or medial to distal nodes. |
Styles | glabrous. |
glabrous. |
Corollas | 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. |
pink to purple, palate sometimes with yellow or pink markings, without yellow palate ridges, bilaterally symmetric, weakly bilabiate; tube-throat cylindric, 3–8 mm, exserted 2–3 mm beyond calyx margin; limb expanded 3–7 mm, lobes entire, sometimes notched, adaxial limb glabrous, sometimes sparsely bearded. |
Fruiting pedicels | divergent-arcuate, 10–23 mm, villous-glandular, hairs 0.2–0.8 mm, gland-tipped. |
ascending to often spreading horizontally, 5–30 mm. |
Fruiting calyces | 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. |
sometimes red-dotted, campanulate, 3–7 mm, margins distinctly toothed or lobed, glabrous or minutely puberulent, ribs thickened, lobes pronounced, erect, margins glabrous. |
Capsules | included, 4–7 mm. |
included, 3–5 mm. |
Anthers | included, glabrous. |
included, glabrous. |
2n | = 32. |
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Erythranthe arenaria |
Erythranthe androsacea |
|
Phenology | Flowering May–Sep. | Flowering Feb–May. |
Habitat | 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. | Moist open areas on gentle slopes. |
Elevation | (100–)500–2600(–2800) m. ((300–)1600–8500(–9200) ft.) | 100–3600 m. (300–11800 ft.) |
Distribution |
CA
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CA
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Discussion | 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.) |
Erythranthe androsacea occurs primarily in the southern half of California but is scattered as far north as Lake and Modoc counties. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 17, p. 403. | FNA vol. 17, p. 388. |
Parent taxa | Phrymaceae > Erythranthe | Phrymaceae > Erythranthe |
Sibling taxa | ||
Synonyms | Mimulus arenarius, M. floribundus var. subulatus, M. multiflorus, M. subulatus, M. trisulcatus | Mimulus androsaceus, M. palmeri var. androsaceus |
Name authority | (A. L. Grant) G. L. Nesom: Phytoneuron 2012-39: 38. (2012) | (Curran ex Greene) N. S. Fraga: Phytoneuron 2012-39: 35. (2012) |
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