Flora of North America species comparison

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Melampodium divaricatum

boton de oro
Habit 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.
Ray florets

8–13;

corollas yellow-orange, laminae oblong-elliptic, 3.5–7+ × 1.6–3+ mm.
Disc florets

40–70+.
Outer phyllaries

5, connate 1/4–1/3 their lengths, ovate to orbiculate, 3.5–6 mm.
Fruits

2.8–4+ mm.
2n

= 24.

Melampodium divaricatum
Phenology Flowering year round.
Habitat Disturbed sites
Elevation 0–10+ m (0–0+ ft)
Distribution
from FNA
FL; Mexico; Central America; South America; West Indies (Antilles) [Introduced in North America; introduced in Old World]
[WildflowerSearch map]
[BONAP county map]
Source FNA vol. 21, p. 35.
Parent taxa Asteraceae > tribe Heliantheae > subtribe Melampodiinae > Melampodium
Sibling taxa
M. appendiculatum, M. cinereum, M. leucanthum, M. longicorne, M. perfoliatum, M. strigosum
Synonyms Dysodium divaricatum
Name authority (Richard) de Candolle: in A. P. de Candolle and A. L. P. P. de Candolle, Prodr. 5: 520. (1836)
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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(If the plant you're looking for doesn't show up in the auto-complete list, that means it either isn't described in Flora of North America yet, or it's listed under a synonym. And please note that Flora of North America is still missing several plant families, including Fabaceae, Apiaceae, Boraginaceae, and Polemoniaceae.)

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