Jepson eFlora
Key to families | Table of families and genera

Key to Stachys

View taxon page for Stachys

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

1. Corolla tube > 15 mm ..... S. chamissonis

1' Corolla tube < 15 mm

2. Internal ring of hairs perpendicular to corolla tube; corolla not pouched toward base on lower side ..... S. bullata

2' Internal ring of hairs oblique to corolla tube; corolla pouched toward base on lower side

3. Hairs densely silky-silvery, woolly; Del Norte Co. ..... S. bergii

3' Hairs soft, stiff, or glandular, never silky-silvery; widespread

4. Upper corolla lip < 2 mm; stamens ± exserted from corolla tube ..... S. stricta

4' Upper corolla lip > 2 mm; stamens clearly exserted from corolla tube

5. Calyx lobes lanceolate, ± = tube; proximal leaves short-petioled to sessile; Modoc Plateau ..... S. pilosa

5' Calyx lobes generally deltoid or triangular, shorter than tube; proximal leaves generally long-petioled; widespread

6. Plant with abundant cobwebby, tangled hairs, herbage generally felty ..... S. albens

6' Plant lacking cobwebby, tangled hairs, herbage not felty

7. Mature inflorescence compact, generally only 2 lowest bracts visible ..... S. pycnantha

7' Mature inflorescence elongated, many bracts visible

8. Leaf blade narrowed, silky hairy, base wedge-shaped; corolla white (± pink) ..... S. ajugoides

8' Leaf blade broader, never silky, base rounded, truncate, or cordate; corolla pink or darker (white)

9. Stem, herbage densely glandular, resinous; lower corolla lip 6–10 mm wide ..... S. stebbinsii

9' Stem, herbage ± glandular, not resinous; lower corolla lip 4–6 mm wide

10. Corolla magenta to purple; bracts gradually reduced distally on stem; Northwestern California, Sacramento Valley, San Francisco Bay Area ..... S. mexicana

10' Corolla pink, bracts rapidly reduced distally on stem; widespread ..... S. rigida

11. Plant generally < 1 m; leaf base cordate, blade ovate ..... var. quercetorum

11' Plant generally 1 m; leaf base rounded (cordate), blade lanceolate to oblong ..... var. rigida


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].
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