Iva hayesiana
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, glanddotted. 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
Distribution
Calif., Mexico (Baja California)
Discussion
Selected References
None.
Lower Taxa
None.
... more about "Iva hayesiana"
introrse +
connate +
herbaceous +
scarious +
absent +
hirsute +
papillate +
racemiform +
continuous +
decurrent +
lance-elliptic;oblanceolate +
winged;ribbed;winged;ribbed +
1;15 +
stigmatic +
absent +
zygomorphic +
tubular +
monomorphic +
dimorphic +
hispidulous +
scabrellous +
2mm;2.5mm +
staminate +
straight +
strigose +
scabrellous +
distinct +
proximal +
absent +
5;12 +
bisexual +
dispersed +
singly +
indeterminate +
surrounding +
hemispheric +
conspicuous +
opposite +
cauline +
reflexed +
deltate +
toothed +
distinct +
herbaceous +
2-carpellate +
inferior +
attached +
anatropous +
wanting +
linear;cuneiform +
membranous +
persistent +
falling +
absent +
tough +
thick +
absent +
connate +
persistent +
herbaceous +
falling +
Proc. Amer. Acad. Arts +
1876 +
pistillate +
absent +
fertile +
paleate +
convex;hemispheric +
fibrous +
exalbuminous +
modifed +
1;3 +
alternate +
branched +
absent +
2-branched +
papillate +
Iva hayesiana +
Iva +
species +
longer +
perennial +
subshrub +