Orthocarpus tenuifolius |
Orthocarpus pachystachyus |
|
---|---|---|
narrow-leaf owl-clover, thin-leaf owl's-clover, thin-leaf owl-clover |
Shasta orthocarpus, Shasta owl's-clover |
|
Habit | Annuals 8–35 cm. | Annuals 10–25 cm. |
Stems | erect or ascending, pilose and puberulent. |
erect or ascending, scabrous, sparsely soft-hairy, and puberulent. |
Leaves | 10–50 mm; blade: proximal margins entire, distal 3–7-lobed. |
30–50 mm; blade: proximal margins entire, distal 3–5-lobed. |
Inflorescences | racemes, 2–6 cm; bracts 10–20 mm, margins 3–5-lobed in proximal 1/2, proximal not resembling distal leaves, midlobe purple-pink distally, ovate, 4–6 mm wide, apex obtuse, cuspidate, lateral lobes narrowly triangular. |
spikes, 5–10 cm; bracts broadly ovate, 20–30 mm, margins 3-lobed in distal 2/3, proximal not resembling distal leaves, midlobe purple-pink distally, ovate, 7–10 mm wide, apex obtuse, cuspidate, lateral lobes narrowly triangulate. |
Pedicels | 1–2 mm. |
0–1 mm. |
Flowers | calyx 8–12 mm; corolla 14–20 mm, equal to or slightly longer than bracts, abaxial lip inflated, lobes 3, triangular, adaxial lip purple-pink, 5 mm, 1 mm longer than abaxial, puberulent, tip notably hooked, not bearded. |
calyx 15–20 mm; corolla 25–30 mm, longer than bracts, abaxial lip slightly inflated, lobes 3, rounded, adaxial lip purple-pink, 8–10 mm, 2–3 mm longer than abaxial, glabrous, tip notably hooked, not bearded. |
Capsules | 6–7 mm, apex acute. |
5–7 mm, apex obtuse. |
Seeds | 15–20, dark brown, ovoid to reniform, 1–1.5 mm, shallowly reticulate, not ridged. |
10–15, light brown to brown, ovoid, 3 mm, reticulate, not ridged. |
2n | = 28. |
= 28. |
Orthocarpus tenuifolius |
Orthocarpus pachystachyus |
|
Phenology | Flowering May–Aug. | Flowering May–Jun. |
Habitat | Moist fields, grasslands, rocky slopes. | Sagebrush scrub. |
Elevation | (300–)600–2500 m. ((1000–)2000–8200 ft.) | 500–1000 m. (1600–3300 ft.) |
Distribution |
ID; MT; OR; WA; WY; BC
|
CA |
Discussion | Orthocarpus tenuifolius is one of the plants first collected by Meriwether Lewis during the Corps of Discovery Expedition. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Orthocarpus pachystachyus is known from the eastern Klamath Range and adjacent areas of the western Cascades in Siskiyou County. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 17, p. 683. | FNA vol. 17, p. 683. |
Parent taxa | Orobanchaceae > Orthocarpus | Orobanchaceae > Orthocarpus |
Sibling taxa | ||
Synonyms | Bartsia tenuifolia | |
Name authority | (Pursh) Bentham: Scroph. Ind., 12. (1835) | A. Gray: in A. Gray et al., Syn. Fl. N. Amer. 2(1): 300. (1878) |
Web links |