Stachys

Marsh hedge nettle Stachys palustris, copyright Peter M. Dziuk.

Belongs within: Lamiaceae.

Stachys is a cosmopolitan genus of herbs and shrubs with hairy leaves, some of which are cultivated for their ornamental foliage.

Characters (from Black & Robertson 1965): Hairy herbs; flowers in false-whorls, in axils of reduced floral leaves, forming terminal leafy spikes. Calyx campanulate, about ten-ribeed, with cylindrical tube and five pointed subequal teeth; corolla with cylindrical tube, upper lip erect and hooded, lower lip spreading, three-lobed; stamens 4, in pairs, parallel, the lower pair longer; anthers glabrous, anther-cells divaricate, opening by a common slit; nutlets obovoid.

<==Stachys L. 1753L95
    |--S. ajugoidesH93
    |    |--S. a. var. ajugoidesH93
    |    `--S. a. var. rigida (see below for synonymy)H93
    |--S. albensD38
    |--S. annuaC55b
    |--S. arvensis (L.) L. 1763 [=Glechoma arvensis L. 1753]L95
    |--S. asperaC55b
    |--S. bullataH93
    |--S. chamissonisH93
    |--S. chonoticaD03
    |--S. cretica Linnaeus 1753PL04
    |--S. dinteriCV06
    |--S. germanicaH91
    |--S. melissaefoliaO88
    |--S. olympicaBR65
    |--S. palustrisC55a
    |    |--S. p. ssp. palustrisH93
    |    `--S. p. ssp. pilosaH93
    |--S. pycnanthaH93
    |--S. rectaH91
    |--S. sericeaSS72
    `--S. strictaH93

Stachys ajugoides var. rigida [incl. S. emersonii, S. rigida ssp. lanata, S. mexicana, S. rigida ssp. quercetorum, S. rigida ssp. rivularis]H93

*Type species of generic name indicated

References

[BR65] Black, J. M., & E. L. Robertson. 1965. Flora of South Australia. Part IV. OleaceaeCompositae. W. L. Hawes, Government Printer: Adelaide.

[C55a] Candolle, A. de. 1855a. Géographie Botanique Raisonée: Ou exposition des faits principaux et des lois concernant la distribution géographique des plantes de l’époque actuelle vol. 1. Librairie de Victor Masson: Paris.

[C55b] Candolle, A. de. 1855b. Géographie Botanique Raisonée: Ou exposition des faits principaux et des lois concernant la distribution géographique des plantes de l’époque actuelle vol. 2. Librairie de Victor Masson: Paris.

[CV06] Craven, P., & P. Vorster. 2006. Patterns of plant diversity and endemism in Namibia. Bothalia 36 (2): 175–189.

[D38] Donohoe, H. C. 1938. Nests of leaf-cutting bees in dried figs. Proceedings of the Entomological Society of Washington 40 (1): 15–16.

[D03] Dusén, P. 1903. The vegetation of western Patagonia. In: Scott, W. B. (ed.) Reports of the Princeton University Expeditions to Patagonia, 1896–1899 vol. 8. Botany pp. 1–34. The University: Princeton (New Jersey).

[H93] Hickman, J. C. (ed.) 1993. The Jepson Manual: Higher Plants of California. University of California Press: Berkeley (California).

[H91] Hubálek, Z. 1991. Biogeographic indication of natural foci of tick-borne infections. In: Dusbábek, F., & V. Bukva (eds) Modern Acarology: Proceedings of the VIII International Congress of Acarology, held in České Budĕjovice, Czechoslovakia, 6–11 August 1990 vol. 1 pp. 255–260. SPB Academic Publishing: The Hague.

[L95] Liogier, H. A. 1995. Descriptive Flora of Puerto Rico and Adjacent Islands: Spermatophyta-Dicotyledoneae vol. 4. Melastomataceae to Lentibulariaceae. Editorial de la Universidad de Puerto Rico.

[O88] Ohba, H. 1988. The alpine flora of the Nepal Himalayas: an introductory note. In: Ohba, H., & S. B. Malla (eds) The Himalayan Plants vol. 1. The University Museum, University of Tokyo, Bulletin 31: 19–46.

[PL04] Pohl, G., & I. Lenski. 2004. Zur Verbreitung und Vergesellschaftung von Pennisetum orientale Rich. in Nordeuböa (Griechenland) (Poaceae, Paniceae). Senckenbergiana Biologica 83 (2): 209–223.

[SS72] Singh, V., & H. Singh. 1972. A contribution to the flora of Gangolihat block in Pithoragarh District. Journal of the Bombay Natural History Society 69 (2): 352–368.

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