familyPortulacaceae
genusClaytonia
speciesClaytonia perfoliata
subspeciesClaytonia perfoliata subsp. mexicana
Claytonia perfoliata subsp. mexicana
Novon 3: 269. 1993.
Common names: Madrean miner’s-lettuce
Illustrated
Basionym: Limnia mexicana Rydberg in N. L. Britton et al., N. Amer. Fl. 21: 309. 1932
Revision as of 08:45, 30 July 2020 by imported>Volume Importer
Leaves: blades usually green, epidermal gas pockets usually absent; basal leaf-rosettes suberect to flattened, 2–30 cm, blade deltate, apex apiculate drip-tip, mucro 1–2 mm; cauline leaves perfoliate, blade 1–10 cm diam., margins notched or deeply cleft, apex often with twin apiculate, curved tips. Seeds 2–3 mm. 2n = 12, 24, 60.
Phenology: Flowering Feb–Apr.
Habitat: Rockslides, landslides, along animal trails
Elevation: 0-2000 m
Distribution
![V4 945-distribution-map.gif](/w/images/3/34/V4_945-distribution-map.gif)
Ariz., Calif., N.Mex., Mexico, Central America (Guatemala)
Discussion
In the Channel Islands and Arizona, flowering apparently follows spring rains.
Selected References
None.
Lower Taxa
None.
... more about "Claytonia perfoliata subsp. mexicana"
red pigmentation +
weak +
1cm;7cm +
0.5cm;5cm +
suberect +
flattened +
petiolate +
few;several +
green +
occasionally dentate;crisped +
deltate +
tuberous +
leaflike +
scale-like +
membranous +
3-valved +
dehiscent +
woody +
perfoliate +
Madrean miner’s-lettuce +
apiculate +
white +
solitary +
irregular +
symmetric +
showy +
multiple +
capsular +
2-9-carpelled +
Present +
single +
1-bracteate +
racemose +
spikelike +
not articulate +
clasping +
hygroscopic +
notched +
involute +
red pigmentation +
weak +
obtuse;apiculate +
glabrous +
plurilocular +
superior +
globose +
1-many +
absent +
absent +
Novon +
1993 +
branched +
capillary +
fibrous +
suberect;erect +
flattened +
black +
dispersed +
shiny +
rounded +
leaflike +
persistent +
2;9 +
unequal +
Illustrated +
opposite +
adnate +
aerial +
subterranean +
branched +
absent +
Claytonia perfoliata subsp. mexicana +
Claytonia perfoliata +
subspecies +
apiculate +
curved +
twin +
not deciduous +
annual +