Jepson eFlora: Taxon page
Vascular Plants of California
Key to families | Table of families and genera
Previous taxon Index to accepted names and synonyms:
| A | B | C | D | E | F | G | H | I | J | K | L | M |
| N | O | P | Q | R | S | T | U | V | W | X | Y | Z |
Next taxon


Arctomecon


Higher Taxonomy
Family: PapaveraceaeView DescriptionDichotomous Key

Common Name: POPPY FAMILY
Habit: Annual to small tree; sap colorless, yellow, orange, red, or white. Leaf: basal, cauline, or both, simple and entire, toothed, or lobed, or 1--3-pinnate-dissected or compound; cauline generally alternate; stipules 0. Inflorescence: terminal, 1-flowered or cyme, raceme, or panicle; bracts generally present. Flower: bisexual, radial, bilateral, or biradial; sepals 2--3, shed after flower; petals generally 2 × sepals in number; stamens generally many; ovary 1, superior, chamber 1, style 0 or 1, stigmas or lobes 2--many, ovules few to many. Fruit: capsule, dehiscent by valves or pores, +- nut, or breaking transversely into 1-seeded, indehiscent units. Seed: fleshy appendage generally 0.
Genera In Family: 25--30 genera, 200 species: northern temperate, northern tropics; some cultivated (Papaver, Eschscholzia, Hunnemannia), source of opiates. Note: Stylomecon moved to Papaver. Corydalis, Dicentra, Fumaria in Fumariaceae in FNANM, elsewhere. Glaucium flavum Crantz is a waif. According to FNANM (3:300--301), Hunnemannia fumariifolia Sweet (+- like Eschscholzia except sepals free) an occasional waif in California, but documentation evidently lacking. Fleshy appendage of seed sometimes for dispersal by ants.
eFlora Treatment Author: Gary L. Hannan & Curtis Clark, except as noted
Scientific Editor: Thomas J. Rosatti.
Arctomecon
Habit: Perennial herb; hairs generally +- 5--15 mm; taproot stout; sap colorless or yellow. Leaf: generally basal, obovate or wedge-shaped, long white-hairy; teeth rounded. Inflorescence: terminal, 1-flowered. Flower: bud nodding; sepals 2--3, long-hairy; petals 4 or 6, free, obovate, white [yellow], generally persistent after flower; stamens many, free; placentas 3--6, style 1, stigma lobes 3--6. Fruit: ovate to oblong, dehiscent from tip. Seed: few, oblong, wrinkled, black; aril present; fleshy appendage present.
Species In Genus: 3 species: southwestern United States. Etymology: (Greek: bear poppy, from long hairs)
Jepson eFlora Author: Gary L. Hannan & Curtis Clark
Index of California Plant Names (ICPN; linked via the Jepson Online Interchange)

Previous taxon: Papaveraceae
Next taxon: Arctomecon merriamii

Name Search

Please use this Google Form for Contact/Feedback

Citation for this treatment: Gary L. Hannan & Curtis Clark 2012, Arctomecon, in Jepson Flora Project (eds.) Jepson eFlora, https://ucjeps.berkeley.edu/eflora/eflora_display.php?tid=10821, accessed on April 19, 2024.

Citation for the whole project: Jepson Flora Project (eds.) 2024, Jepson eFlora, https://ucjeps.berkeley.edu/eflora/, accessed on April 19, 2024.