Page author: David Giblin
Sabulina macra
slender sandwort, slender stitchwort
WTU specimens
Other herbaria

Distribution: Occurring west of the Cascades crest in Washington; British Columbia south to Oregon.

Habitat: Lowlands, prairies and coastal bluffs.

Flowers: April-July

Origin: Native

Conservation Status: Not of concern

Description:
General:

Annual from a taproot, the several stems erect to decumbent, 1-2.5 dm. tall, glandular-puberulent at least above.

Leaves:

Leaves opposite, linear but tapering, 3-nerved, 3-18 mm. long, the primary ones with bundles of secondary leaves or short branches in their axils.

Flowers:

Flowers many in an open, diffuse inflorescence that is often over half the length of the plant; pedicels very slender, up to 25 mm. long; sepals 5, lanceolate, pointed, 3-nerved, 2.5-3.5 mm. long; petals 5, white, broadly obovate, up to 11/2 times as long as the sepals; stamens 10; styles 3.

Fruits:

Capsule ovoid, longer than the sepals, opening by 3 valves.

Accepted Name:
Sabulina macra (A. Nelson & J.F. Macbr.) Dillenb. & Kadereit

Synonyms & Misapplications:
Alsinopsis tenella (J. Gay) A. Heller
Arenaria macra A. Nelson & J.F. Macbr.
Arenaria stricta Michx. [HC]
Arenaria stricta Michx. ssp. macra (A. Nelson & J.F. Macbr.) Maguire
Arenaria stricta Michx. var. puberulenta (M. Peck) C.L. Hitchc. [HC]
Greniera tenella J. Gay
Minuartia tenella (J. Gay) Mattf. [FNA5]
Additional Resources:

PNW Herbaria: Specimen records of Sabulina macra in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Sabulina macra checklist entry.

E-Flora BC: Sabulina macra atlas page.

CalPhotos: Sabulina macra photos.

USDA Plants: Sabulina macra information.

16 photographs:
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