Melampodium divaricatum
in A. P. de Candolle and A. L. P. P. de Candolle, Prodr. 5: 520. 1836.
Introduced
Basionym: Dysodium divaricatum Richard in C. H. Persoon, Syn. Pl. 2: 489. 1807
Annuals, 15–100+ cm. Leaf-blades ± rhombic to lanceolate, 40–150+ × 25–95+ mm, lengths 1–2 (–3+) times widths, margins coarsely toothed or entire. Peduncles 1–12+ cm. Outer phyllaries 5, connate 1/4–1/3 their lengths, ovate to orbiculate, 3.5–6 mm. Ray-florets 8–13; corollas yellow-orange, laminae oblongelliptic, 3.5–7+ × 1.6–3+ mm. Disc-florets 40–70+. Fruits 2.8–4+ mm. 2n = 24.
Phenology: Flowering year round.
Habitat: Disturbed sites
Elevation: 0–10+ m
Distribution
Introduced; Fla., Mexico, West Indies (Antilles), Central America, South America, in Old World
Discussion
Selected References
None.
Lower Taxa
None.
... more about "Melampodium divaricatum"
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-orange +
monomorphic +
dimorphic +
enclosed +
staminate +
staminate +
straight +
hairy +
distinct +
proximal +
1;5 +
bisexual +
dispersed +
singly +
singly +
indeterminate +
true +
surrounding +
hemispheric +
3.5mm;7mm +
oblongelliptic +
1.6mm;3mm +
1-2(-3+) +
less rhombic;lanceolate +
25mm;95mm +
opposite +
cauline +
deltate +
connate +
2-carpellate +
inferior +
attached +
anatropous +
persistent +
falling +
absent +
tough +
thick +
tuberculate +
absent +
connate +
persistent +
distinct +
falling +
unequal +
in A. P. de Candolle and A. L. P. P. de Candolle, Prodr. +
1836 +
pistillate +
fertile +
paleate +
convex;conic +
fibrous +
exalbuminous +
modifed +
Introduced +
alternate +
absent +
2-branched +
papillate +
Melampodium divaricatum +
Melampodium +
species +
campanulate +
shorter +
annual +
subshrub +