Iva imbricata

Walter

Fl. Carol., 232. 1788.

Treatment appears in FNA Volume 21. Treatment on page 26.

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 glanddotted. 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.


Phenology: Flowering Jul–Oct.
Habitat: Dunes, beaches, at or near tidelands
Elevation: 0–10 m

Distribution

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Ala., Fla., Ga., La., Miss., N.C., S.C., Tex., Va., West Indies (Bahamas), West Indies (Cuba)

Discussion

Selected References

None.

Lower Taxa

None.
... more about "Iva imbricata"
not tailed +, rounded +  and obtuse +
connate +  and distinct +
subequal +
scarious +
usually ovate +  and lanceolate +
usually deltate +  and lanceolate +
indeterminate +  and determinate +
John L. Strother +
Walter +
decurrent +
compound +  and simple +
3 cm30 mm <br />0.03 m <br /> - 6 cm60 mm <br />0.06 m <br /> +
1 cm10 mm <br />0.01 m <br /> - 2 cm20 mm <br />0.02 m <br /> +
1 cm10 mm <br />0.01 m <br /> - 3 cm30 mm <br />0.03 m <br /> +
narrowly lance-elliptic;lanceolate or spatulate +
0.4 cm4 mm <br />0.004 m <br /> - 1 cm10 mm <br />0.01 m <br /> +
winged;ribbed;winged;ribbed +
tuberculate +  and rugose +
barbellulate +  and barbellate +
whitish +  and pinkish +
0.4 cm4 mm <br />0.004 m <br /> - 0.5 cm5 mm <br />0.005 m <br /> +
scabrellous +
obcompressed +, plumply obovoid +  and pyriform +
fertile +  and bisexual +
Ala. +, Fla. +, Ga. +, La. +, Miss. +, N.C. +, S.C. +, Tex. +, Va. +, West Indies - Bahamas +  and West Indies - Cuba +
0–10 m +
scabrellous +
staminate +  and pistillate +
winged +  and beaked +
dispersed +
Dunes, beaches, at or near tidelands +
disciform +  and discoid +
in corymbiform , glomerate , paniculiform , racemiform or spiciform , arrays +  and singly +
indeterminate +
homogamous +  and heterogamous +
each +  and sessile +
scarious +  and membranous +
0.2 cm2 mm <br />0.002 m <br /> - 1 cm10 mm <br />0.01 m <br /> +
less campanulate;urceolate +
0.5 cm5 mm <br />0.005 m <br /> - 0.7 cm7 mm <br />0.007 m <br /> +
conspicuous +
sessile +  and petiolate +
deltate +
2-carpellate +
linear;spatulate +
0.5 cm5 mm <br />0.005 m <br /> - 0.6 cm6 mm <br />0.006 m <br /> +
membranous +
persistent +
0.2 cm2 mm <br />0.002 m <br /> - 0.7 cm7 mm <br />0.007 m <br /> +
0 cm0 mm <br />0 m <br /> - 0.2 cm2 mm <br />0.002 m <br /> +
Flowering Jul–Oct. +
connate +  and distinct +
3 +  and 15 +
unequal +  and subequal +
Fl. Carol., +
bearing subulate enations +, hairy +  and bristly +
convex;hemispheric +
exalbuminous +
decumbent +  and sprawling +
less decumbent +  and erect +
appendaged +  and truncate +
hirsutulous +  and glabrous +
papillate +
Undefined - tribe Undefined subtribe Ambrosieae +  and Undefined - tribe Undefined subtribe Iveae +
Iva imbricata +
species +
campanulate +  and cylindric +
toothed +  and entire +
50 cm500 mm <br />0.5 m <br /> - 100 cm1,000 mm <br />1 m <br /> +
30 cm300 mm <br />0.3 m <br /> - 50 cm500 mm <br />0.5 m <br /> +
50 cm500 mm <br />0.5 m <br /> - 100 cm1,000 mm <br />1 m <br /> +