Orthocarpus tenuifolius |
Orthocarpus bracteosus |
|
---|---|---|
narrow-leaf owl-clover, thin-leaf owl's-clover, thin-leaf owl-clover |
bract owl's clover, rosy owl's-clover, rosy owl-clover |
|
Habit | Annuals 8–35 cm. | Annuals 6–41 cm. |
Stems | erect or ascending, pilose and puberulent. |
erect, minutely scabrous and puberulent. |
Leaves | 10–50 mm; blade: proximal margins entire, distal 3–7-lobed. |
15–40 mm; blade: proximal margins entire, distal 3-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 or spikes, (1.5–)3–20 cm; bracts 10–20 mm, margins entire or 3(or 5)-lobed in distal 2/3, proximal not resembling distal leaves, midlobe green or purple distally, triangular, 3–4 mm wide, apex acute, not cuspidate, lateral lobes narrowly triangular. |
Pedicels | 1–2 mm. |
(0–)1–1.5 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 6–10 mm; corolla 12–20 mm, longer than bracts, abaxial lip inflated, lobes 0, adaxial lip purple-pink to white, 4–6 mm, equal to abaxial, glabrous or puberulent, tip notably hooked, not bearded. |
Capsules | 6–7 mm, apex acute. |
5–7 mm, apex retuse. |
Seeds | 15–20, dark brown, ovoid to reniform, 1–1.5 mm, shallowly reticulate, not ridged. |
10–15, curved, light brown, oblong, 18–25 mm, reticulate, ridged. |
2n | = 28. |
= 30. |
Orthocarpus tenuifolius |
Orthocarpus bracteosus |
|
Phenology | Flowering May–Aug. | Flowering late May–Oct. |
Habitat | Moist fields, grasslands, rocky slopes. | Seasonally wet meadows. |
Elevation | (300–)600–2500 m. ((1000–)2000–8200 ft.) | 10–2000 m. (0–6600 ft.) |
Distribution |
ID; MT; OR; WA; WY; BC
|
CA; OR; 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 bracteosus is endangered in British Columbia and Washington. It resembles O. purpureoalbus; the midlobe of the bracts is 3–4 (versus 1–2) mm wide. Also, the leaves of O. purpureoalbus tend to be dark green; those of O. bracteosus are usually lighter green or yellow-green. (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 | O. bracteosus var. albus |
Name authority | (Pursh) Bentham: Scroph. Ind., 12. (1835) | Bentham: Scroph. Ind., 13. (1835) |
Web links |
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