Search Field Guide
Advanced Search
Montana Field Guide

Montana Field Guides

Castlegar Hawthorn - Crataegus castlegarensis

Status Under Review

Global Rank: G5
State Rank: SNR

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

External Links






 
General Description
Shrubs 2–8 m. Stems shiny-brown becoming gray; thorns 13–25 mm long, straight to curved. Leaf blades ovate to obovate, 3–6 cm long, glandular-serrate; sometimes shallowly lobed, appressed-hairy above, sparsely hairy below. Inflorescence 5- to 25-flowered, sparsely long-hairy. Flowers: hypanthium sparsely hairy to glabrous externally; sepals 2–3 mm long, glandular-serrate; petals 5–8 mm long; stamens 10; styles 3 or 4. Pome 8–12 mm wide, black with scattered hairs at maturity (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Range Comments
BC to SK south to OR, UT and WY (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Habitat
Fields, riparian thickets, along ditches; valleys (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

References
Login Logout
Citation for data on this website:
Castlegar Hawthorn — Crataegus castlegarensis.  Montana Field Guide.  .  Retrieved on , from