Melampodium strigosum
Rhodora 74: 51. 1972.
Revision as of 22:41, 29 July 2020 by imported>Volume Importer
Annuals, 5–35+ cm. Leaf-blades oblanceolate to oblong-linear, 15–55+ × 3–12+ mm, lengths 4–6+ times widths, sometimes pinnately 2–4-lobed, ultimate margins ± dentate or entire. Peduncles 0–3 (–11+) mm. Outer phyllaries 5, connate 0–1/6 their lengths, lance-elliptic, 3–6 mm. Ray-florets 5–8; corollas yellow, laminae oblong-ovate, 0.6–1.1+ × 0.5–10.8+ mm. Disc-florets 5–8+. Fruits 2.2–3 mm. 2n = 40.
Phenology: Flowering Aug–Sep.
Habitat: Openings in pine forests
Elevation: 1200–1700 m
Distribution
Ariz., Colo., Tex., Mexico
Discussion
Specimens of Melampodium strigosum have been misidentified as M. hispidum Kunth, a synonym of M. sericeum (see T. F. Stuessy 1972). The station for M. strigosum in Colorado is ca. 1400 km distant from stations in Arizona and Texas.
Selected References
None.
Lower Taxa
None.
... more about "Melampodium strigosum"
introrse +
connate +
herbaceous +
scarious +
absent +
hirsute +
papillate +
continuous +
decurrent +
lance-linear +
lance-elliptic +
lobed;rhombic;ovate;rhombic;ovate;linear-oblong;linear;lanceolate;deltate +
winged;ribbed;winged;ribbed +
1;15 +
stigmatic +
absent +
zygomorphic +
yellow +
monomorphic +
dimorphic +
enclosed +
staminate +
staminate +
straight +
hairy +
distinct +
proximal +
1;5 +
bisexual +
dispersed +
singly +
singly +
indeterminate +
surrounding +
hemispheric +
0.6mm;1.1mm +
oblong-ovate +
0.5mm;10.8mm +
2-4-lobed;oblanceolate;oblong-linear +
3mm;12mm +
opposite +
cauline +
deltate +
lance-elliptic +
connate +
2-carpellate +
inferior +
attached +
anatropous +
persistent +
falling +
absent +
tough +
thick +
tuberculate +
absent +
connate +
persistent +
distinct +
falling +
unequal +
Rhodora +
1972 +
pistillate +
fertile +
paleate +
convex;conic +
fibrous +
exalbuminous +
modifed +
alternate +
absent +
2-branched +
papillate +
Melampodium strigosum +
Melampodium +
species +
campanulate +
shorter +
annual +
subshrub +