Iva frutescens

Linnaeus

Sp. Pl. 2: 989. 1753.

IllustratedEndemic
Synonyms: Iva frutescens subsp. oraria (Bartlett) R. C. Jackson Iva frutescens var. oraria (Bartlett) Fernald & Griscom
Treatment appears in FNA Volume 21. Treatment on page 26.

Subshrubs or shrubs, 50–350 cm. Stems erect. Leaves: petioles 5–10+ mm; blades ovate or elliptic to lanceolate, 30–60 (–120+) × 5–30 (–40) mm, margins usually toothed, faces closely scabrellous, glanddotted. Heads in ± racemiform arrays. Peduncles 1–3+ mm. Involucres ± hemispheric, 2–4 mm. Phyllaries: outer 5 distinct, ± herbaceous. Paleae linear to subulate, 2.5–3 mm. Pistillate florets (2–) 5; corollas 0.7–1 mm. Functionally staminate florets 3–8 (–15+); corollas 2–3 mm. Cypselae 2–3 mm. 2n = 34.


Phenology: Flowering Jul–Oct.
Habitat: Mostly tidelands, brackish to saline marshes, beaches
Elevation: 0–10 m

Distribution

V21-42-distribution-map.gif

N.S., Ala., Conn., Del., Fla., Ga., La., Maine, Md., Mass., Miss., N.H., N.J., N.Y., N.C., Pa., R.I., S.C., Tex., Va.

Discussion

Selected References

None.

Lower Taxa

None.
... more about "Iva frutescens"
not tailed +, rounded +  and obtuse +
connate +  and distinct +
subequal +
scarious +
usually ovate +  and lanceolate +
usually deltate +  and lanceolate +
indeterminate +  and determinate +
John L. Strother +
Linnaeus +
decurrent +
compound +  and simple +
6 cm60 mm <br />0.06 m <br /> (12 cm120 mm <br />0.12 m <br />) +
3 cm30 mm <br />0.03 m <br /> (4 cm40 mm <br />0.04 m <br />) +
3 cm30 mm <br />0.03 m <br /> (6 cm60 mm <br />0.06 m <br />) +
elliptic;lanceolate +
5mm;30mm +
winged;ribbed;winged;ribbed +
tuberculate +  and rugose +
barbellulate +  and barbellate +
whitish +  and pinkish +
0.2 cm2 mm <br />0.002 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
scabrellous +
obcompressed +, plumply obovoid +  and pyriform +
fertile +  and bisexual +
N.S. +, Ala. +, Conn. +, Del. +, Fla. +, Ga. +, La. +, Maine +, Md. +, Mass. +, Miss. +, N.H. +, N.J. +, N.Y. +, N.C. +, Pa. +, R.I. +, S.C. +, Tex. +  and Va. +
0–10 m +
scabrellous +
staminate +  and pistillate +
winged +  and beaked +
dispersed +
Mostly tidelands, brackish to saline marshes, beaches +
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 />) +
hemispheric +
0.2 cm2 mm <br />0.002 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
conspicuous +
sessile +  and petiolate +
deltate +
dentate to pinnatifid or palmatifid +  and entire +
2-carpellate +
linear;subulate +
0.25 cm2.5 mm <br />0.0025 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
membranous +
persistent +
0.1 cm1 mm <br />0.001 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
0.5 cm5 mm <br />0.005 m <br /> (1 cm10 mm <br />0.01 m <br />) +
Flowering Jul–Oct. +
connate +  and distinct +
3 +  and 15 +
unequal +  and subequal +
bearing subulate enations +, hairy +  and bristly +
convex;hemispheric +
exalbuminous +
Illustrated +  and Endemic +
decumbent +  and sprawling +
appendaged +  and truncate +
hirsutulous +  and glabrous +
papillate +
Iva frutescens subsp. oraria +  and Iva frutescens var. oraria +
Iva frutescens +
species +
campanulate +  and cylindric +
toothed +  and entire +
perennial +  and annual +
shrub +  and subshrub +