Orthocarpus tenuifolius |
Orthocarpus barbatus |
|
---|---|---|
narrow-leaf owl-clover, thin-leaf owl's-clover, thin-leaf owl-clover |
Grand Coulee owl's-clover, Grand Coulee owl-clover |
|
Habit | Annuals 8–35 cm. | Annuals 8–27 cm. |
Stems | erect or ascending, pilose and puberulent. |
erect or ascending, hispid to pilose and puberulent. |
Leaves | 10–50 mm; blade: proximal margins entire, distal 3–7-lobed. |
20–40 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. |
racemes, 2–11 cm; bracts 10–20 mm, margins 5–7-lobed in distal 2/3, proximal not resembling distal leaves, midlobe yellow-green to white distally, triangular, 6–8 mm wide, apex acute, not cuspidate, lateral lobes narrowly triangular. |
Pedicels | 1–2 mm. |
2–3 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 8–10 mm; corolla 10–12 mm, slightly longer than bracts, abaxial lip inflated, lobes 3, triangular, adaxial lip pale yellow to yellow, 4–5 mm, 1–1.5 mm longer than abaxial, glabrous or sparsely puberulent, tip not hooked, bearded. |
Capsules | 6–7 mm, apex acute. |
7–10 mm, apex acute. |
Seeds | 15–20, dark brown, ovoid to reniform, 1–1.5 mm, shallowly reticulate, not ridged. |
18–27, light brown, narrowly ovoid to reniform, 0.8–1 mm, reticulate, ridged. |
2n | = 28. |
= 28. |
Orthocarpus tenuifolius |
Orthocarpus barbatus |
|
Phenology | Flowering May–Aug. | Flowering May–Jun. |
Habitat | Moist fields, grasslands, rocky slopes. | Sagebrush meadows and slopes. |
Elevation | (300–)600–2500 m. ((1000–)2000–8200 ft.) | 300–900 m. (1000–3000 ft.) |
Distribution |
ID; MT; OR; WA; WY; BC
|
WA; BC
|
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 barbatus is endangered in British Columbia. It is distinguished by its yellow corollas, yellow-green bracts, sometimes tipped with white, and the tuft of hairs at the tip of the adaxial corolla lip. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 17, p. 683. | FNA vol. 17, p. 681. |
Parent taxa | Orobanchaceae > Orthocarpus | Orobanchaceae > Orthocarpus |
Sibling taxa | ||
Synonyms | Bartsia tenuifolia | |
Name authority | (Pursh) Bentham: Scroph. Ind., 12. (1835) | J. S. Cotton: Bull. Torrey Bot. Club 29: 574. (1902) |
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