Honckenya peploides subsp. diffusa

(Hornemann) Hultén ex V. V. Petrovsky

in A. I. Tolmatchew, Fl. Arct. URSS 6: 71. 1971.

Basionym: Arenaria peploides var. diffusa Hornemann Fors. Oecon. Plantel. ed. 3, 1: 501. 1821
Synonyms: Arenaria diffusa (Hornemann) Wormsköjd Halianthus peploides var. diffusus (Hornemann) Lange Honckenya diffusa (Hornemann) Á. Löve & D. Löve Honckenya peploides var. diffusa (Hornemann) Ostenfeld
Treatment appears in FNA Volume 5. Treatment on page 139.

Plants with numerous stems, slender, succulent. Stems prostrate to decumbent, much-branched, 5–15(–21) cm × 0.5–2.5 mm, internodes of main stem 5–30 mm. Leaves: main stem leaves evenly spaced, of similar size on all stems; blade elliptic or ovate to obovate, 4–20(–30) × 3–9(–18) mm, apex acute to apiculate. Pedicels 3–10(–15) mm. Flowers: sepals ovate, 3.5–6 mm, apex apiculate. Capsules 7–10 × 8–12 mm, chartaceous. Seeds reddish to yellowish brown, 2–4 mm, glossy. 2n = 66, 68, 70 (Asia).

Phenology: Flowering summer.
Habitat: Sea beaches, sandy flats, and dunes above high tide
Elevation: ± 0-10 m


V5 284-distribution-map.gif

Greenland, Man., Nfld. and Labr. (Nfld.), N.W.T., Nunavut, Ont., Que., Yukon, Alaska, arctic Eurasia.


Selected References


Lower Taxa

Warren L. Wagner +
(Hornemann) Hultén ex V. V. Petrovsky +
Arenaria peploides var. diffusa +
Greenland +, Man. +, Nfld. and Labr. (Nfld.) +, N.W.T. +, Nunavut +, Ont. +, Que. +, Yukon +, Alaska +  and arctic Eurasia. +
± 0-10 m +
Sea beaches, sandy flats, and dunes above high tide +
Flowering summer. +
in A. I. Tolmatchew, Fl. Arct. URSS +
Illustrated +
Arenaria diffusa +, Halianthus peploides var. diffusus +, Honckenya diffusa +  and Honckenya peploides var. diffusa +
Honckenya peploides subsp. diffusa +
Honckenya peploides +
subspecies +