Jepson eFlora
Key to families | Table of families and genera

Key to Minuartia

View taxon page for Minuartia

(For a list of species in Minuartia, use the above link.)

Jepson Manual glossary definitions can be seen by moving your cursor over words underlined with dots.

1. Annual, not cespitose, not mat-forming

2. Inflorescence ± glandular-hairy; leaf (5)10–30 mm; seed 1.3–2 mm

3. Leaves ± evenly spaced, thread-like, generally 0.3 mm wide, flexible, becoming curled; seeds red-brown, margin thin, wing-like ..... M. douglasii

3' Leaves mostly near base, lance-linear, 1–1.5(2.5) mm wide, rigid, recurved; seeds brown to black-brown, margin thick, not wing-like ..... M. howellii

2' Inflorescence glabrous; leaf 1.5–7(10) mm; seed 0.4–1 mm

4. Petals < sepals or 0; plant 1–5 cm; leaf, sepal with generally 1, often faint vein ..... M. pusilla

4' Petals 1–1.8 × sepals; plant (1)2–20(25) cm; leaf abaxially with 1 faint vein or 3 veins with 1 prominent, sepal with ± 3 faint veins or 3 or 5 prominent ribs

5. Petals 1.5–1.8 × sepals; leaf vein1, faint abaxially; sepal with 3 faint veins, lateral pair rarely extending to tip ..... M. californica

5' Petals 1–1.3 × sepals; lf veins 3, 1 prominent abaxially; sepal with 3 or 5 prominent ribs, lateral pair converging with midrib at tip ..... M. cismontana

1' Perennial herb, cespitose to mat-forming

6. Sepal tip narrowly rounded, margin incurved ..... M. obtusiloba

6' Sepal tip acute to acuminate, margin not incurved

7. Plant ± densely cespitose, stem decumbent to erect; taproot < 1.5 mm diam

8. Petals ± 0.8–1 × sepals; plant glandular-hairy ..... M. rubella

8' Petals 0; plant glabrous ..... M. stricta

7' Plant mat-forming, rhizomes elongate and stem or stolons trailing; taproot > 3 mm diam

9. Plant densely glandular-hairy ..... M. nuttallii

10. Leaf recurved; sepal ribs (1)3, ± equally prominent ..... var. fragilis

10' Leaf straight or ± recurved; sepal ribs 1 or 3, lateral pair 0 or less prominent

11. Petals 0.7–0.9 × sepals; Klamath Ranges, High Cascade Range, High Sierra Nevada, San Gabriel Mountains, East of Sierra Nevada ..... var. gracilis

11' Petals 1.1–1.6 × sepals; Northwestern California, High Cascade Range, c High Sierra Nevada, Warner Mountains ..... var. gregaria

9' Plant generally glabrous or ± sparsely glandular-hairy especially in inflorescence; stem, leaves ± glabrous

12. Sepals 5–6 mm, in flower generally 3-ribbed; petals 0.7–0.9 × sepals ..... M. decumbens

12' Sepals 2.5–4.8 mm, in flower faintly 1–3-veined; petals 1.4–2.2 × sepals

13. Plant glaucous; flower stem from branching rhizomes; leaves > internodes; axillary leaves well developed ..... M. rosei

13' Plant gray-green; flower stem from stolons; leaves often < internodes; axillary leaves weakly developed ..... M. stolonifera


Citation for the whole project: Jepson Flora Project (eds.) [year] Jepson eFlora, [accessed on month, day, year]
Citation for an individual treatment: [Author of taxon treatment] [year]. [Taxon name] in Jepson Flora Project (eds.) Jepson eFlora, [URL for treatment]. Accessed on [month, day, year].
We encourage links to these pages, but the content may not be downloaded for reposting, repackaging, redistributing, or sale in any form, without written permission from The Jepson Herbarium.