Hudsonia
Syst. Nat. ed. 12, 2: 323, 327. 1767.
Mant. Pl. 1: 74. 1767.
Taxon | Illustrator ⠉ | |
---|---|---|
Lechea tenuifolia Tuberaria guttata Hudsonia tomentosa | Linny Heagy Linny Heagy Linny Heagy |
Shrubs, evergreen, sometimes forming clumps wider than high, 0.5–2 (–4) dm. Leaves alternate, sessile; blade 1-veined from base, acerose to subulate or scalelike, margins sometimes ± revolute, surfaces glabrescent or hairy, hairs usually simple, not stellate. Inflorescences solitary flowers. Pedicels present or absent; bracts present or absent Flowers chasmogamous; sepals persistent or tardily falling, 5; petals 5, usually yellow, sometimes white; stamens 8–30+; filaments distinct or bases weakly connate; carpels 3; styles 1; stigmas 1, minutely 3-toothed. Capsules 3-valved. Seeds 3–6 per capsule. x = 10.
Distribution
North America
Discussion
Species 3 (3 in the flora).
Species of Hudsonia are wiry shrubs or shrublets with crowded, acerose to subulate, or scalelike, leaves and the aspect of diminutive gymnosperms or overgrown mosses; they sometimes form relatively extensive stands.
Selected References
None.
Lower Taxa
Key
1 | Leaf blades mostly lanceolate-ovate, (scalelike), 1–2(–3+) mm; leaves usually appressed (to stems); pedicels 0–1(–5) mm; ovaries glabrous or glabrescent. | Hudsonia tomentosa |
1 | Leaf blades acerose to subulate, 2–7 mm; leaves weakly spreading; pedicels mostly 4–10(–16) mm; ovaries usually hairy | > 2 |
2 | Sepal apices acute to acuminate; ovaries proximally glabrous or glabrescent, distally hairy. | Hudsonia ericoides |
2 | Sepal apices acuminate to attenuate; ovaries hairy ± throughout. | Hudsonia montana |
"dm" is not declared as a valid unit of measurement for this property.