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Overview

Distribution

Dichelostemma congestum is distributed from eastern Washington south to eastern Oregon, and thence southward to Northern California.

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Localities documented in Tropicos sources

Brodiaea congesta Sm.:
United States (North America)

Note: This information is based on publications available through Tropicos and may not represent the entire distribution. Tropicos does not categorize distributions as native or non-native.
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Calif., Oreg., Wash.
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Physical Description

Morphology

Description

Leaves 3–4, 4–35 cm; blade strongly keeled, ± glaucous. Scape self-supporting, with occasional bends, 30–80(–90) cm, ± scabrous. Inflorescences racemose, very dense, 6–15-flowered; bracts pale purple to green, widely lanceolate, 6–12 mm. Flowers horizontal or erect; perianth bluish purple, tube unangled, narrowly ovoid, slightly constricted above ovary, 8–10 mm, lobes ascending, 8–10 mm; perianth appendages 1 per stamen, each coalescent to an inner and outer tepal, leaning away from inner anthers to form corona, erect, purplish, narrowly lanceolate, 5–6 mm, apex deeply 2-fid into 2 wings; stamens 3, equal; anthers 4–5 mm; ovary sessile, 4–6 mm; style 5–6 mm; pedicel 1–6 mm. 2n = 18, 36.
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Diagnostic Description

Synonym

Brodiaea congesta Smith, Trans. Linn. Soc. London 10: 3, plate 1. 1811; Hookera congesta (Smith) Jepson
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Ecology

Habitat

Open woodlands, grasslands near coast; 0--2000m.
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Life History and Behavior

Cyclicity

Flowering/Fruiting

Flowering spring (late Mar--May).
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Molecular Biology and Genetics

Molecular Biology

Barcode data: Dichelostemma congestum

The following is a representative barcode sequence, the centroid of all available sequences for this species.


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© Barcode of Life Data Systems

Source: Barcode of Life Data Systems (BOLD)

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Statistics of barcoding coverage: Dichelostemma congestum

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 1
Specimens with Barcodes: 1
Species With Barcodes: 1
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Notes

Comments

Dichelostemma congestum can be recognized by its congested racemose inflorescence and deeply bifid perianth appendages that stand away from the anthers to form a corona.
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© Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA

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