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.
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 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 +