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Published In: Brittonia 55(1): 3. 2003. (Brittonia) Name publication detail

Project Name Data (Last Modified On 7/21/2009)

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30. Boechera fecunda (Rollins) Dorn, Brittonia 55: 3. 2003; Arabis fecunda Rollins, Contr. Gray Herb. 214: 1. 1984. TYPE: United States, Montana, Ravalli Co., Bigh game range E of Corvallis, 4000, 13 Jun 1976, Jaculyn Cory 1611 (holotype, MONTU; isotype, GH!).

     Plants mostly long-lived perennials, often with woody caudices; lacking crowded, persistent leaf bases; sexual, with ellipsoid pollen. Stems 1 to several per caudex branch, slightly elevated on woody bases or arising near ground surface from center and margin of basal rosettes, 0.8–3 dm, with abundant, short-stalked, 5–10-rayed trichomes 0.1–0.2 mm throughout. Leaves at stem bases linear-oblanceolate, 1–5 mm wide, entire or with few teeth subapically, not ciliate, blade surfaces densely pubescent with short-stalked, 5–10-rayed trichomes 0.1–0.2 mm; cauline leaves 5–18, concealing stem proximally, the uppermost ones densely pubescent, with auricles 0.5–2.5 mm. Inflorescences mostly unbranched, 8–35-flowered; fruiting pedicels 5–15 mm, erect to ascending, straight, with appressed, branched trichomes. Flowers erect to ascending at anthesis; sepals pubescent; petals purplish, 8–12 ´ 2.5–4.5 mm; ovules 34–68 per fruit. Fruits 3.0–5.8 cm ´ 1.4–1.8 mm, erect to ascending, often appressed to rachises, not secund, straight, with parallel edges, densely pubescent throughout; style 1–1.5 mm. Seeds uniseriate, 1.0–1.5 ´ 0.8–1.2 mm; wing continuous, 0.5–0.1 mm wide.

Flowering: Apr–Jun.

Habitat: rocky ground in sagebrush areas.

Elevation: 1200–1800 m.

Distribution: United States (Montana/Ravali and Silver Bow counties).

Reproductive mode: sexual diploid.


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