EcoFlora - Melampodium perfoliatum

Melampodium perfoliatum Kunth
Family: Asteraceae Perfoliate Blackfoot [Alcina perfoliata Cav.] Sue Carnahan	FNA Resources John L. Strother in Flora of North America (vol. 21) Annuals, 20-150+ cm. Leaf blades ± deltate to rhombic-deltate, 40-200+ × 25-150+ mm, lengths 1-2(-3+) times widths, margins ± toothed or entire. Peduncles 1-10+ cm. Outer phyllaries 5, connate 0-¹/6 their lengths, oblong to elliptic, (6-)12-15+ mm. Ray florets 8-13; corollas yellow-orange, laminae oblong-elliptic, 2.5-5+ × 1.6-3+ mm. Disc florets 30-45+. Fruits 4-7+ mm. 2n = 22, 24. Flowering year round. Disturbed, usually moist sites; 10-50+ m; introduced; Calif.; Mexico; West Indies (Antilles); Central America. Melampodium perfoliatum may be no longer present in California.
Open Interactive Map Stephen Hale Stephen Hale Stephen Hale Sue Carnahan Sue Carnahan Sue Carnahan Sue Carnahan Sue Carnahan Sue Carnahan Stephen Hale Cecelia Alexander Cecelia Alexander Cecelia Alexander Cecelia Alexander Cecelia Alexander Frank Reichenbacher S. F. Hale S. F. Hale $Melampodium perfoliatum image$ Ávila-González H. Ávila-González H. $Melampodium perfoliatum image$ $Melampodium perfoliatum image$ Ávila-González H. $Melampodium perfoliatum image$ Ávila-González H. $Melampodium perfoliatum image$ Click to Display 78 Total Media