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Lappula occidentalis var. occidentalis, Four Mile Area, Chaffee Co. 9650

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Lappula occidentalis var. occidentalis, Four Mile Area, Chaffee Co. 9759

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Lappula occidentalis var. occidentalis, Four Mile Area, Chaffee Co. 9755

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Lappula occidentalis var. occidentalis, Four Mile Area, Chaffee Co. 9652

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Lappula occidentalis var. occidentalis, Four Mile Area, Chaffee Co. 9766

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Lappula occidentalis var. occidentalis, Four Mile Area, Chaffee Co. 9764

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Lappula occidentalis var. occidentalis, Four Mile Area, Chaffee Co. 9762

Scientific Name Lappula occidentalis var. occidentalis (Lappula redowskii var. redowskii) USDA PLANTS Symbol LAOCO
Common Name Western Stickseed, Flatspine Sheepburr ITIS Taxonomic Serial No. 528678
Family Boraginaceae (Forget-me-not) SEINet
Reference
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Description Life zones and habitat: Plains to subalpine (3500 to 10000 ft.); drier soils in prairies, roadsides and disturbed areas.
Plant: Erect annual 6 to 24 inches tall, stem branching upwards.
Leaves: Alternate, linear to narrowly oblanceolate, 3/4 to 3 inches long and less than 3/8-inch wide, sessile, margins without teeth, surfaces with soft hairs and without obvious lateral veins.
Inflorescence: Very small light blue to white flowers in curled racemes at stem tips; funnel-shaped corolla with 5 lobes with rounded tips, less than 1/4-inch across.
Bloom Period: April to August.
Fruit: Prickly egg-shaped cluster 1/8-inch tall of four, spiny nutlets each with a single row of stiff, barbed prickles; prickles are separated, not fused at their bases.
References: "Flora of Colorado" by Jennifer Ackerfield, Kansas Wildflowers and Grasses and SEINet.
BONAP Distribution Map


Map Color Key
Colorado Status:
Native

© Tom Lebsack 2024

Banner photo: Castilleja rhexifolia and a brewing storm over the San Juan Mountains