Difference between revisions of "Arctomecon"
in J. C. Frémont, Rep. Exped. Rocky Mts., 312. 1845.
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|accepted_name=Arctomecon | |accepted_name=Arctomecon | ||
| − | |accepted_authority=Torrey & | + | |accepted_authority=Torrey & Frémont |
|publications={{Treatment/Publication | |publications={{Treatment/Publication | ||
|title=in J. C. Frémont, Rep. Exped. Rocky Mts., | |title=in J. C. Frémont, Rep. Exped. Rocky Mts., | ||
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name=Arctomecon | name=Arctomecon | ||
|author=Susan E. Meyer | |author=Susan E. Meyer | ||
| − | |authority=Torrey & | + | |authority=Torrey & Frémont |
|rank=genus | |rank=genus | ||
|parent rank=family | |parent rank=family | ||
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|publication year=1845 | |publication year=1845 | ||
|special status= | |special status= | ||
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|genus=Arctomecon | |genus=Arctomecon | ||
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-->[[Category:Treatment]][[Category:Papaveraceae]] | -->[[Category:Treatment]][[Category:Papaveraceae]] | ||
Latest revision as of 21:48, 5 November 2020
Herbs, perennial, evergreen, cespitose, scapose or very short-caulescent and subscapose, from taproots. Stems (caudices) when present leafy, erect, branching, covered with marcescent leaf bases. Leaves all or mostly basal and rosulate, petiolate; blade cuneate to fan-shaped, 1×-lobed distally, glaucous, long-pilose, hairs flexuous, barbed; margins entire; lobes acute, long-bristled. Inflorescences terminal, cymiform, simple or branching; bracts present; buds nodding. Flowers: sepals 2 or 3, distinct; petals persistent, 4 or 6; stamens many; pistil 3-6-carpellate; ovary 1-locular; style 1 and short, or absent; stigmas 1 per carpel, connate, capitate, cordately 2-lobed. Capsules erect, 3-6-valved, dehiscing from apex leaving persistent placental ribs unseparated at apex, valve tips recurving. Seeds several to many, dark brown, shining, ovoid, 1.5-3 mm, aril present. x = 12.
Distribution
North America (Mojave Desert).
Discussion
Species 3 (3 in the flora).
Selected References
Lower Taxa
Key
| 1 | Petals 4, 1.2–2.5 cm, marcescent; leaf blades minutely hirsute but only sparsely long-pilose. | Arctomecon humilis |
| 1 | Petals 6, 2.5–4 cm, caducous; leaf blades copiously long-pilose. | > 2 |
| 2 | Inflorescences 1(–6)-flowered; flower buds long-pilose; petals white. | Arctomecon merriamii |
| 2 | Inflorescences 3–20-flowered; flower buds glabrous; petals deep yellow. | Arctomecon californica |