Flora of North America species comparison

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Malacothamnus abbottii

Abbot's bush-mallow, Abbott's bush-mallow
Habit Shrubs, to 1.5 m, branches slender, flexuous, indument complex: white, dense, sublepidote, hairs simple, fine, not shaggy, or stellate, sessile, many-armed.
Leaf

blades ovate, unlobed or 3-lobed, 3–6.5 cm, thin, surfaces: copiously white-stellate, basal sinus open, not overlapping.
Inflorescences

open-paniculate, flowers solitary or in pedunculate clusters, loose, not subtended by conspicuous bracts, flowers 3 or 4 per node;

involucellar bractlets lanceolate, 5–8 × 1–1.5 mm, 1/2–3/4 calyx length.
Flowers

calyx slightly winged in bud, 9–11 mm, lobes ovate-acuminate, 6–7.5 × 2.5–3.5 mm, ca. 2 times as long as wide, 2–3 times tube length, apex acuminate, densely stellate;

petals pale pink, 1.5–2 cm.
Mericarps

to 3 mm.

Malacothamnus abbottii
Phenology Flowering Oct.
Habitat Stream banks, open chaparral
Elevation 100–500 m (300–1600 ft)
Distribution
from FNA
CA
[WildflowerSearch map]
[BONAP county map]
Discussion

Of conservation concern.

Malacothamnus abbottii was once considered to be extinct. It is known from three localities in southern Monterey County.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 6, p. 285.
Parent taxa Malvaceae > subfam. Malvoideae > Malacothamnus
Sibling taxa
M. aboriginum, M. clementinus, M. davidsonii, M. densiflorus, M. fasciculatus, M. fremontii, M. jonesii, M. marrubioides, M. palmeri
Synonyms Malvastrum abbottii
Name authority (Eastwood) Kearney: Leafl. W. Bot. 6: 129. (1951)
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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