Iva hayesiana

A. Gray

Proc. Amer. Acad. Arts 11: 78. 1876.

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

Perennials or subshrubs, 10–100 cm. Stems sprawling to erect (usually woody at bases). Leaves: petioles 0–3(–10) mm; blades lance-elliptic to oblanceolate, 2–5(–10) cm × 5–10(–18) mm, margins usually entire, rarely toothed, faces sparsely strigose to scabrellous, gland-dotted. Heads in ± racemiform arrays. Peduncles 2–3+ mm. Involucres ± hemispheric, 2.5–3.5 mm. Phyllaries: outer 5 distinct, ± herbaceous. Paleae linear to cuneiform, 1.5–2.5 mm. Pistillate florets 5; corollas 0.5–1 mm. Functionally staminate florets 5–12(–20); corollas 1.5–2.5 mm. Cypselae 2–2.5 mm.

Phenology: Flowering year round.
Habitat: Alkaline flats, depressions
Elevation: 50–500 m



Calif., Mexico (Baja California).


Selected References


Lower Taxa