Iva microcephala

Nuttall
Trans. Amer. Philos. Soc., n. s. 7: 346. 1840.
Endemic
Treatment appears in FNA Volume 21. Treatment on page 28. Mentioned on page 25.

Annuals, 10–70(–100) cm. Stems erect. Leaves: petioles 0–1 mm; blades linear to filiform, 10–35(–60) × 0.6–1.5(–3) mm, margins entire, faces ± scabrellous, gland-dotted. Heads in ± spiciform arrays. Peduncles 0.5–1 mm. Involucres hemispheric, 1.5–2 mm. Phyllaries: outer 5 distinct, ± herbaceous. Paleae cuneiform to setiform, 1–2 mm. Pistillate florets 2–3+; corollas 0.5–0.8 mm. Functionally staminate florets 3–5; corollas 1.8–2 mm. Cypselae 1–1.5 mm. 2n = 32.


Phenology: Flowering Sep–Nov.
Habitat: Disturbed sites, moist or wet soils
Elevation: 1–100 m

Distribution

V21-48-distribution-map.gif

Ala., Fla., Ga., N.C., S.C.

Discussion

Selected References

None.

Lower Taxa

None.

... more about "Iva microcephala"
John L. Strother +
Nuttall +
Ala. +, Fla. +, Ga. +, N.C. +  and S.C. +
1–100 m +
Disturbed sites, moist or wet soils +
Flowering Sep–Nov. +
Trans. Amer. Philos. Soc., n. s. +
Undefined (tribe Undefined) subtribe Ambrosieae +  and Undefined (tribe Undefined) subtribe Iveae +
Iva microcephala +
species +