familyPapaveraceae
genusRoemeria
Show Lower Taxa
Roemeria
Ann. Bot. (Usteri) 1(3): 15. 1792.
Etymology: For Johann Jakob Roemer, 1763-1819, Swiss physician and naturalist at Zürich
Treatment appears in FNA Volume 3.
| Taxon | Illustrator ⠉ | |
|---|---|---|
 | Romneya coulteri Stylomecon heterophylla Roemeria refracta | John Myers John Myers John Myers |
Herbs, annual, caulescent; sap yellow. Stems leafy. Leaves: basal usually few, rosulate, indistinctly petiolate; cauline usually few and remote, alternate, proximal indistinctly petiolate, distal sessile; blade 2-3× pinnately lobed. Inflorescences axillary and terminal, 1-flowered; bracts present. Flowers: sepals 2, distinct; petals 4; stamens many; pistil 2-4 (-6) -carpellate; ovary 1-locular; style absent or obscure; stigmas 2-4 (-6), radiate. Capsules slenderly cylindric or terete, 2-4 (-6) -valved, dehiscing from apex almost to base; peduncle straight or often recurved. Seeds many, aril absent.
Distribution
North America, s Europe, sw, sc Asia
Discussion
Species 3-5 (1 in the flora).
Selected References
None.
Lower Taxa
... more about "Roemeria"
perigynous +
absent +
petiolate +
rosulate +
lobed +
absent +
2-4(-6)-valved +
dehiscing +
petiolate +
alternate +
sessile +
capsular +
1-flowered +
axillary +
straight +
recurved +
perigynous +
distinct +
absent +
obovate +
2 times number of sepals +
2-4(-6)-carpellate +
parietal +
Ann. Bot. (Usteri) +
1792 +
expanded +
yellow +
sticky +
many +
1-seeded +
caducous +
distinct +
obovate +
many +
leafy +
2;many +
2;4 +
absent +
obscure +
Roemeria +
Papaveraceae +
genus +
caulescent +
annual +
small +