EcoFlora - Iva imbricata

Iva imbricata Walter
Family: Asteraceae Seacoast Marsh-Elder	FNA Gleason & Cronquist Resources John L. Strother in Flora of North America (vol. 21) Perennials or subshrubs, 30-50(-100) cm. Stems ± decumbent to erect. Leaves: petioles 0-2 mm; blades narrowly lance-elliptic to lanceolate or spatulate, 1-3(-6+) cm × 4-10(-20) mm, margins usually entire, rarely toothed, faces glabrous, rarely gland-dotted. Heads in racemiform arrays. Peduncles 2-7+ mm. Involucres ± campanulate to urceolate, 5-7+ mm. Phyllaries: outer 6-10 distinct, ± herbaceous. Paleae linear to spatulate (distally dilated), 5-6 mm. Pistillate florets 2-5; corollas 0.3-1.5 mm. Functionally staminate florets 8-12+; corollas 4-5 mm. Cypselae 4-5 mm. 2n = 34. Flowering Jul-Oct. Dunes, beaches, at or near tidelands; 0-10 m; Ala., Fla., Ga., La., Miss., N.C., S.C., Tex., Va.; West Indies (Bahamas, Cuba). Vascular plants of NE US and adjacent Canada Perennial, somewhat fleshy, glabrous herb or subshrub 3-6(-10) dm, commonly decumbent and branching at base; lvs oblanceolate to linear oblong or elliptic, mostly 1.5-4(-6) cm נ4-10 dm, entire or with a few spreading teeth, scarcely or obscurely petiolate, only the lower opposite; invol 4-7 mm, accrescent, with 6-9 broad, rounded, imbricate bracts; pistillate fls 2-4, with tubular cor 1-1.5 mm tending to persist on the copiously resin-dotted achene; 2n=34. Dunes along the seashore; Va. to Fla., and La.; Bahamas; Cuba. Aug., Sept. Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp. ©The New York Botanical Garden. All rights reserved. Used by permission.
Open Interactive Map University of Florida Herbarium University of Florida Herbarium University of Florida Herbarium University of Florida Herbarium University of Florida Herbarium University of Florida Herbarium University of Florida Herbarium University of Florida Herbarium University of Florida Herbarium University of Florida Herbarium University of Florida Herbarium Click to Display 100 Initial Media - - - - - View All Media