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Montana Field Guide

Montana Field Guides

Fringed Water-plantain - Damasonium californicum
Other Names:  Machaerocarpus californicus

Potential Species of Concern

Global Rank: G4
State Rank: SH
* (see State Rank Reason below)

Agency Status
USFWS:
USFS:
BLM:
MNPS Threat Rank:
C-value:

External Links






State Rank Reason (see State Rank above)
Collected once in Montana along the Kootenai river near Rexford prior to the creation of Lake Koocanusa.
 
General Description
Cormose. Scapes 20–40 cm. Leaf blades lanceolate to narrowly elliptic, 3–12 cm long. Inflorescence a raceme of 1 to 4 whorls; bracts ovate, 4–10 mm long. Flowers unisexual, female below the male; sepals oblong to ovate, reflexed, 4–5 mm long; petals rhombic, white with a yellow, clawed base, 7–10 mm long, erose-margined; stamens 6; pistils 6 to 10. Achenes compressed-obovoid 3–6 mm long with a beak 3–6 mm long, spreading at maturity, tightly packed in a wheel-like head (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Range Comments
MT, OR, ID, NV, CA. Collected once in Lincoln County at a site inundated by Lake Koocanusa (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Habitat

References
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Citation for data on this website:
Fringed Water-plantain — Damasonium californicum.  Montana Field Guide.  .  Retrieved on , from