Pachycarpus bisacculatus (Oliv.) Goyder

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Habit
Lightly wooded seepage dambo grassland
Saise Valley, Kalambo Farm, Mbala Distr.
Feb 2022
Photo: Nick Wightman

Lightly wooded seepage dambo grassland
Saise Valley, Kalambo Farm, Mbala Distr.
Feb 2022
Photo: Nick Wightman

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Synonyms:	Gomphocarpus bisacculatus Oliv. Pachycarpus lineolatus sensu Bullock non Decne.
Common names:
Frequency:
Status:	Native
Description:	Perennial herb with annual stems, growing from a cluster of fleshy tubers. Stem erect or ascending, usually single, unbranched, up to 1.5 m tall, sometimes branching near the base, densely pubescent with spreading white hairs. Leaves opposite, shortly petiolate, lanceolate, ovate to oblong, up to 12 × 7 cm, with slightly rough spreading white hairs on both surfaces, cordate or truncate at the base; margin with minute rough hairs. Inflorescences terminal and extra-axillary, 4-8(-14)-flowered secund umbels. Corolla spreading to saucer-shaped, brownish-purple and densely pubescent outside, pale green with purple-brown lines inside. Lobes up to 15 × 10 mm, ovate, pointed, minutely papillate and with short hairs towards the apex and margins. Corona lobes cream or pink with a purple tip, almost as broad as long apparently folded into a pouch, lower than the staminal column. Follicle erect on a twisted pedicel, up to 12 × 7 cm, ovoid or fusiform, usually inflated, without wings or ridges, pubescent.
Type location:	Tanzania
Notes:
Derivation of specific name:
Habitat:	In seasonally waterlogged grassland and in Brachystegia or mixed deciduous woodland.
Altitude range:
Flowering time:
Worldwide distribution:	From Guinea Bissau to Sudan and Ethiopia and South to Angola Zimbabwe and Mozambique.
Zambian distribution (Flora Zambesiaca):	B,N,W,C,E,S
Zambian distribution (Provinces):	Nw,Lk
Growth form(s):
Endemic status:
Red data list status:
Insects associated with this species:
Spot characters:	Display spot characters for this species
Content last updated:	Thursday 2 June 2022
Literature:	Goyder, D.J. (1998). A revision of Pachycarpus E. Mey. in tropical Africa with notes on the genus in southern Africa Kew Bulletin 53 Pages 347 - 351. (Includes a picture). Goyder, D.J., Gilbert, M.G. & Venter, H.J.T. (2020). Apocynaceae (Part 2) Flora Zambesiaca 7(2) Pages 305 - 307. (Includes a picture). Mapaura, A. & Timberlake, J. (eds) (2004). A checklist of Zimbabwean vascular plants Southern African Botanical Diversity Network Report No. 33 Sabonet, Pretoria and Harare Page 21.

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Flora of Malawi: Pachycarpus bisacculatus
Flora of Mozambique: Pachycarpus bisacculatus
Flora of Zimbabwe: Pachycarpus bisacculatus

External websites:

African Plants: A Photo Guide (Senckenberg): Pachycarpus bisacculatus
African Plant Database: Pachycarpus bisacculatus
BHL (Biodiversity Heritage Library): Pachycarpus bisacculatus
EOL (Encyclopedia of Life): Pachycarpus bisacculatus
GBIF (Global Biodiversity Information Facility): Pachycarpus bisacculatus
Google: Web - Images - Scholar
iNaturalist: Pachycarpus bisacculatus
IPNI (International Plant Names Index): Pachycarpus bisacculatus
JSTOR Plant Science: Pachycarpus bisacculatus
Mansfeld World Database of Agricultural and Horticultural Crops: Pachycarpus bisacculatus
Plants of the World Online: Pachycarpus bisacculatus
Tropicos: Pachycarpus bisacculatus
Wikipedia: Pachycarpus bisacculatus