Melampodium longicorne
Pl. Nov. Thurb. 321. 1854.
Annuals, 10–60+ cm. Leaf-blades lance-elliptic or oblanceolate to lance-linear, 25–50+ × 3–12+ mm, lengths 3–4 (–6+) times widths, margins ± dentate or entire. Peduncles 4–30+ mm. Outer phyllaries 5, connate 0–1/6 their lengths, ovate to elliptic, 4–6+ mm. Ray-florets 7–12; corollas yellow, laminae oblongelliptic, 1.2–1.5+ × 0.7–1+ mm. Disc-florets 8–10+. Fruits 3–3.5+ mm. 2n = 60.
Phenology: Flowering Aug–Oct.
Habitat: Sandy, gravelly, or loamy soils
Elevation: 1200–1500 m
Distribution
Ariz., N.Mex., Mexico (Chihuahua), Mexico (Sonora)
Discussion
Selected References
None.
Lower Taxa
None.
... more about "Melampodium longicorne"
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 +
1.2mm;1.5mm +
oblongelliptic +
0.7mm;1mm +
3-4(-6+) +
oblanceolate;lance-linear +
3mm;12mm +
opposite +
cauline +
deltate +
connate +
2-carpellate +
inferior +
attached +
anatropous +
persistent +
falling +
absent +
tough +
thick +
tuberculate +
absent +
connate +
persistent +
distinct +
falling +
unequal +
Pl. Nov. Thurb. +
1854 +
pistillate +
fertile +
paleate +
convex;conic +
fibrous +
exalbuminous +
modifed +
alternate +
absent +
2-branched +
papillate +
Melampodium longicorne +
Melampodium +
species +
campanulate +
shorter +
annual +
subshrub +