Pycnostachys orthodonta Gürke

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Pycnostachys orthodonta

Photo: Bart Wursten
Along track from Nhagutua Gorge to rangerpost, Gorongosa National Park, Cheringoma.

Pycnostachys orthodonta

Photo: Bart Wursten
Along track from Nhagutua Gorge to rangerpost, Gorongosa National Park, Cheringoma.

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Synonyms: Pycnostachys bussei Gürke
Pycnostachys cyanea Gürke
Pycnostachys hanningtonii Baker
Pycnostachys leptophylla Baker
Common names:
Frequency:
Status: Native
Description:
Mostly annual herb 50–100 cm tall. Stems erect, branching, quadrangular4-angled, pubescent with short hairs and red sessile glands. Leaves opposite broadly to narrowly ovate, 40–135 mm long, apex acuminate, base shortly running down petiole, with red or yellow sessile glands below, pubescent with short stiff hairs mostly on the serrate margin and venation; petiole 10–55 mm long. Inflorescence usually dense, forming a narrow conical shape in flower, 50–145 mm long in fruit; flowers sessile in single-flowered cymes; bracts subtending entire inflorescence ovate 15–50 mm long, acute, enclosing buds but becoming deflexed in flower, persistent through flowering stage; bracts subtending individual flowers linear-lanceolate, 3–4 mm long, ciliate with hairs shorter than bract width. Corolla pale blue or lavender, 11–17 mm long; tube very narrow and parallel-sided for 4–8 mm, curved sharply down and broadening for c.3 mm before opening into two lips; posterior lip much shorter than anterior, 1–2 mm long; anterior lip 4–8 mm long, 2–4.5 mm deep. Nutlets c.1 mm long.
Notes:
Derivation of specific name:
Habitat: In mopane, miombo and mixed woodland, in disturbed ground, by rivers and lakes.
Altitude range: (metres) Up to 1500 m
Flowering time:
Worldwide distribution: Tanzania, Malawi, Mozambique, Zambia and Zimbabwe.
Zimbabwe distribution: N,C,E
Growth form(s):
Endemic status:
Red data list status:
Insects associated with this species:
Spot characters: Display spot characters for this species
Images last updated: Friday 1 April 2016
Literature:

Baumann, G. (2005). Photographic Guide to Wildflowers of Malawi Wildlife and Environmental Society of Malawi Pages 146 - 147. (Includes a picture).

Paton, A.J. et al. (2013). Lamiaceae Flora Zambesiaca 8(8) Pages 328 - 329.


Other sources of information about Pycnostachys orthodonta:

Our websites:

Flora of Malawi: Pycnostachys orthodonta
Flora of Mozambique: Pycnostachys orthodonta
Flora of Zambia: Pycnostachys orthodonta

External websites:

African Plants: A Photo Guide (Senckenberg): Pycnostachys orthodonta
African Plant Database: Pycnostachys orthodonta
Biodiversity Explorer (Biodiversity of southern Africa): Pycnostachys orthodonta
BHL (Biodiversity Heritage Library): Pycnostachys orthodonta
EOL (Encyclopedia of Life): Pycnostachys orthodonta
ePIC (electronic Plant Information Center): Pycnostachys orthodonta
Flora Zambesiaca web site: Pycnostachys orthodonta
GBIF (Global Biodiversity Information Facility): Pycnostachys orthodonta
Google: Web - Images - Scholar
GRIN (Germplasm Resources Information Network): Pycnostachys orthodonta
IPNI (International Plant Names Index): Pycnostachys orthodonta
Ispot Southern Africa: Pycnostachys orthodonta
JSTOR Plant Science: Pycnostachys orthodonta
Kew Herbarium catalogue: Pycnostachys orthodonta
Mansfeld World Database of Agricultural and Horticultural Crops: Pycnostachys orthodonta
The Plant List (version 1.1): Pycnostachys orthodonta
Tropicos: Pycnostachys orthodonta


Copyright: Mark Hyde, Bart Wursten, Petra Ballings and Meg Coates Palgrave, 2002-19

Hyde, M.A., Wursten, B.T., Ballings, P. & Coates Palgrave, M. (2019). Flora of Zimbabwe: Species information: Pycnostachys orthodonta.
https://www.zimbabweflora.co.zw/speciesdata/species.php?species_id=149690, retrieved 22 April 2019

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