Difference between revisions of "Erythranthe patula"
Phytoneuron 2012-39: 39. 2012.
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|authority=Pennell | |authority=Pennell | ||
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name=Erythranthe patula | name=Erythranthe patula | ||
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|authority=(Pennell) G. L. Nesom | |authority=(Pennell) G. L. Nesom | ||
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|genus=Erythranthe | |genus=Erythranthe | ||
|species=Erythranthe patula | |species=Erythranthe patula | ||
Latest revision as of 19:29, 5 November 2020
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. 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. Flowers herkogamous, 1–10, from proximal to distal nodes. Fruiting pedicels 10–25(–38) mm, stipitate-glandular, hairs 0.2–0.5 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. 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. Styles glabrous. Anthers included, glabrous. Capsules included, 4–6 mm. 2n = 32.
Phenology: Flowering Apr–May(–Aug).
Habitat: Ephemeral seeps, springs, rocky stream banks, moist basalt, fine gravel on bedrock, muddy hillside seeps, crevices.
Elevation: 200–1900(–2900) m.
Distribution
Alta., B.C., Idaho, Mont., Oreg., Wash., Wyo.
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.
Selected References
None.