|University of California, Berkeley|
|Jepson eFlora: Taxon page
Key to families | Table of families and genera
Index to accepted names and synonyms:
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|Family: Lamiaceae (Labiatae)||View Description||Dichotomous Key|
|Genus: Stachys||View Description||Dichotomous Key|
|Species:||View Description||Dichotomous Key|
Stachys pycnantha Benth.
Stem: decumbent to erect, 0.3--1 m, generally > 0.6 m, generally branched, soft- to stiff-hairy, glandular. Leaf: strongly aromatic; petiole < 5 cm; blade 5--12 cm, ovate or lanceolate to oblong, crenate to serrate, soft- to stiff-hairy, glandular, base rounded to cordate, tip obtuse. Inflorescence: generally < 5 cm, +- continuous, occasionally interrupted proximally; clusters 8--12-flowered. Flower: calyx tube 4--6 mm, densely glandular, soft-hairy; corolla +- white to +- pink, tube 6.5--8.5 mm, ring of hairs > 2 mm from base, oblique, upper lip 3--4 mm, lower 5--7 mm. Chromosomes: 2n=66.
Ecology: Streambanks, springs, pine/oak forest; Elevation: < 1100 m. Bioregional Distribution: NW, SN (uncommon), CW, PR. Flowering Time: Jun--Oct Note: May be +- associated with serpentine; more study needed.
Unabridged Synonyms: Stachys ajugoides Benth. var. cymosa Jeps.
eFlora Treatment Author: John B. Nelson
Jepson Online Interchange
Previous taxon: Stachys pilosa
Next taxon: Stachys rigida
Citation for this treatment: John B. Nelson 2017. Stachys pycnantha, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/eflora/eflora_display.php?tid=45389, accessed on April 29, 2017.
Citation for the whole project: Jepson Flora Project (eds.) 2017. Jepson eFlora, http://ucjeps.berkeley.edu/eflora/, accessed on April 29, 2017.