Stylisma pickeringii
Manual ed. 2, 335. 1856.
Common names: Pickering’s dawnflower
Endemic
Basionym: Convolvulus pickeringii Torrey ex M. A. Curtis Boston J. Nat. Hist. 1: 129. 1835
Synonyms: Bonamia pickeringii (Torrey ex M. A. Curtis) A. Gray Breweria pickeringii (Torrey ex M. A. Curtis) A. Gray
Treatment appears in FNA Volume 14.
Revision as of 21:37, 6 October 2024 by imported>Volume Importer
Stems procumbent or trailing, sparsely hairy. Leaf blades linear, 25–70 × 0.1–3 mm, surfaces glabrous or sparsely hairy. Inflorescences 2–5-flowered or flowers solitary; bracteoles 15–25 mm. Flowers: sepals ovate to ovate-lanceolate, 4–6 × 3–5 mm, abaxial surface fulvous or canescent; corolla white, 10–18 mm; stamens: filaments glabrous or proximally puberulent; style branches usually connate (1/2–)5/6+ length, sometimes less.
Distribution
se United States.
Discussion
Varieties 2 (2 in the flora).
Selected References
None.
Key
1 | Sepal apices usually obtuse, rarely acuminate; style branches 2–3 mm, equal to subequal. | Stylisma pickeringii var. pickeringii |
1 | Sepal apices acute to subacute; style branches 1–1.5 mm, unequal. | Stylisma pickeringii var. pattersonii |