Iva imbricata Walter

Seacoast marsh elder (en)

Species

Angiosperms > Asterales > Asteraceae > Iva

Characteristics

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.
More
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 × 4–10 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.
Life form perennial
Growth form herb
Growth support free-standing
Foliage retention -
Sexuality
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Spread -
Mature width (meter) -
Mature height (meter) 0.3 - 0.5
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Flower color
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
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Environment

Light -
Soil humidity -
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Hardiness (USDA) 5-12

Usage

Uses medicinal
Edible -
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

Mode -
Germination duration (days) -
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Images

Habit

Iva imbricata habit picture by Sylvain Piry (cc-by-sa)

Leaf

Iva imbricata leaf picture by Sylvain Piry (cc-by-sa)

Fruit

Iva imbricata fruit picture by Sylvain Piry (cc-by-sa)

Distribution

Iva imbricata world distribution map, present in Bahamas, Cuba, Cayman Islands, Turks and Caicos Islands, and United States of America

Identifiers

LSID urn:lsid:ipni.org:names:226351-1
WFO ID wfo-0000063804
COL ID 3QF3M
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Iva integrifolia Iva imbricata Baillieria caroliniana