Purshia tridentata (Pursh) de Candolle (Q3870)

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Purshia tridentata is a taxon with the rank species within the genus Purshia
Language Label Description Also known as
English
Purshia tridentata (Pursh) de Candolle
Purshia tridentata is a taxon with the rank species within the genus Purshia

    Statements

    taxon/id/Purshia tridentata (Pursh) de Candolle
    0 references
    Purshia tridentata (Pursh) de Candolle
    Purshia tridentata
    (Pursh) de Candolle
    FNA Editorial Committee. 2014. Flora of North America north of Mexico. Volume 9: Magnoliophyta: Picramniaceae to Rosaceae. Oxford University Press, New York.
    accepted
    purshie tridentée (French)
    antelope bitterbrush (English)
    antelope-brush (English)
    Bitterbrush (English)
    1 reference
    Douglas, G.W., G.B. Straley, D.V. Meidinger & J. Pojar. 1998. Illustrated Flora of British Columbia. B.C. Ministry of Environment, Lands & Parks and B.C. Ministry of Forests. Victoria. Crown Publications. 8 vols.
    nw Mexico
    Shrubs, evergreen or partially summer–winter-deciduous, 2–25 (–40) dm.
    Stems: young-stem internodes 4–12 mm, sparsely to densely arachnoid-villous, ± hirtellous, or glabrous, stipitate-glandular or not;
    Leaves: blade of 1 or 2 types: (1) persistent, dark green adaxially, obovate to spatulate, 4–9 × (1–) 3–6 mm, irregularly lobed in distal 1/3, lobes 3 (–5), lobes entire, ± terete, central lobe deflexed, often apiculate, 2 lateral ascending, margins strongly revolute, abaxial surface arachnoid-villous, midvein glabrous, glabrate, or hirtellous, adaxial glabrous, sometimes arachnoid-villous or hirtellous, often glandular-punctate along margins;
    (2) winter deciduous, green-gray adaxially, flabelliform, 6–15+ × 3–7+ mm, margins weakly revolute, usually 3-toothed, sometimes 3-lobed, distally, abaxial surface arachnoid-villous to arachnoid-tomentose, veins ± glabrate, adaxial hirtellous and ± arachnoid villous, sometimes sessile or stipitate-glandular along margins.
    Pedicels 0.2–2.5 mm.
    Flowers: hypanthium obconic, 2.5–5 × 1.5–3 mm, 3.5–6 mm diam. in fruit, pubescent-sericeous, sessile or stipitate-glandular;
    petals usually lemon to cream-yellow, sometimes nearly white, obovate-spatulate, 4–7+ mm;
    stamens 17–35;
    Achenes broadly obovoid-fusiform (circular in cross-section or flattened on common side when paired), 7–12 × 3.5–5.2 mm, 15–22-veined, persistent style 5–7 (–10) mm, densely hirtellous.