Hudsonia

Linnaeus

Syst. Nat. ed. 12, 2: 323, 327. 1767.

,

Mant. Pl. 1: 74. 1767.

Endemic
Etymology: For William Hudson, 1730 – 1793 English botanist
Treatment appears in FNA Volume 6. Treatment on page 398. Mentioned on page 387, 400.
 TaxonIllustrator 
FNA6 P46 Lechea tenuifolia.jpegLechea 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.

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.

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.

... more about "Hudsonia"
John L. Strother +
Linnaeus +
connate +
acerose +  and subulate or scalelike +
North America +
For William Hudson, 1730 – 1793 English botanist +
loculicidal +
umbellate +, thyrsiform +  and cymose +
racemose +, paniculate +  and corymbose +
undulate +  and revolute +
6-12-carpellate +, 5-carpellate +, 3-carpellate +  and 2-carpellate +
crassinucellate +  and bitegmic +
orthotropous +
crumpled +  and imbricate +
white +  and yellow +
distinct +
Syst. Nat. ed. +  and Mant. Pl. +
persistent +
3-toothed +
sessile +  and petiolate +
hairy +  and glabrescent +
Hudsonia +
Cistaceae +
wider than high +