OregonFlora: Minuartia patula vs. Minuartia rubella

	Minuartia patula	Sabulina rubella (synonym of Minuartia rubella)
		beautiful sandwort, boreal stitchwort, reddish sandwort
Habit		Plants perennial, cespitose; taproots not woody.
Stems		ascending to erect, 2–8(10) cm, green, densely stipitate-glandular.
Leaves		needle-like, 1.5–10 × 0.3–0.8 mm; straight; flexible, mostly near stem base, 3-veined below; axillary leaves present.
Inflorescences		3–7+-flowered cyme or rarely solitary; terminal; pedicels densely stipitate-glandular.
Flowers		sepals 2.5–3.2 mm, stipitate-glandular; veins 3; petals 0.8–1 × length of sepals.
Seeds		subspherical, 0.4–0.5 mm, red-brown, tuberculate, not winged.
2n		=24.

	Minuartia patula	Sabulina rubella
Distribution	[BONAP county map]	[WildflowerSearch map] [BONAP county map]
Discussion		Rocky slopes, cliffs, ridges, gravel creek bars, andesite ledges, fir forests. Flowering May–Sep. 100–3000 m. BR, BW, Casc, CR, Est, Sisk. CA, ID, NV, WA; throughout Canada and western United States; circumboreal. Native.
Source		Flora of Oregon, volume 2, page 562 Rich Rabeler, Ronald Hartman
Sibling taxa		S. austromontana, S. californica, S. cismontana, S. douglasii, S. howellii, S. macra, S. nuttallii, S. pusilla, S. rubella
Synonyms		Arenaria propinqua, Arenaria rubella, Minuartia rubella
Web links	WildflowerSearch iNaturalist (observations) USDA Plants Database LBJ Wildflower Center SEINet Plants of the World Online Encyclopedia of Life Wikipedia Google Image Search	Local floras: CA, OR Local Web sites: CalFlora, CalPhotos, Flora NW, PNW Herbaria WildflowerSearch iNaturalist (observations) USDA Plants Database LBJ Wildflower Center SEINet Plants of the World Online Encyclopedia of Life Wikipedia Google Image Search

Minuartia patula

Sabulina rubella

(synonym of Minuartia rubella)

beautiful sandwort, boreal stitchwort, reddish sandwort

Habit

Plants perennial, cespitose; taproots not woody.

Stems

ascending to erect, 2–8(10) cm, green, densely stipitate-glandular.

Leaves

needle-like, 1.5–10 × 0.3–0.8 mm; straight; flexible, mostly near stem base, 3-veined below;

axillary leaves present.

Inflorescences

3–7+-flowered cyme or rarely solitary; terminal;

pedicels densely stipitate-glandular.

Flowers

sepals 2.5–3.2 mm, stipitate-glandular;

veins 3;

petals 0.8–1 × length of sepals.

Seeds

subspherical, 0.4–0.5 mm, red-brown, tuberculate, not winged.

=24.

Minuartia patula

Sabulina rubella

Distribution

[BONAP county map]

[WildflowerSearch map]

[BONAP county map]

Discussion

Rocky slopes, cliffs, ridges, gravel creek bars, andesite ledges, fir forests. Flowering May–Sep. 100–3000 m. BR, BW, Casc, CR, Est, Sisk. CA, ID, NV, WA; throughout Canada and western United States; circumboreal. Native.

Source

Flora of Oregon, volume 2, page 562
Rich Rabeler, Ronald Hartman

Sibling taxa