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gossweileri

Phyllanthus gossweileri Hutch.

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Synonyms:
Common names:
Frequency:	Local
Status:	Native
Description:	A slender erect annual herb up to c. 30 cm tall, glabrous, monoecious. Lead shoots terete, reddish; lateral shoots few, erect, up to 25 cm long. Scale leaves 0.75 mm long, subulate; stipules 0.75 mm long, triangular-ovate. Foliage leaves distichous, vertically held against the axis; petioles 0.5 mm long; stipules 1 mm long, subulate, brownish. Leaf blades 6–12 × 1–3.5 mm, narrowly elliptic-lanceolate, sharply acute, rounded-cuneate at the base, firmly chartaceous, lateral nerves invisible, dull. Male flowers 1–3 per axil in short multibracteate cymules in the lower half of the lateral shoots, female flower solitary in the upper axils. Female flowers: pedicels 0.5 mm long, extending to 2 mm in fruit; sepals 6, 1.5 × 0.6 mm, accrescent to 2 × 1.2 mm, elliptic-oblong, rounded or obtuse, green with narrow white margins; disk 0.5 mm in diameter, shallowly 6-lobed, very thin, flat, smooth, not readily visible in older flowers; ovary 1 mm in diameter, sessile, 6-lobed, subglobose, smooth; styles 3, ± free, 0.4 mm long, spreading and appressed to the top of the ovary, shortly bifid, stigmas slightly recurved. Male flowers: pedicels 0.3 mm long; sepals 6, 1–1.2 × 0.6–0.8 mm, elliptic-ovate, rounded, dull yellowish-white; disk glands 6, 0.2 mm in diameter, circular, thin, flat, smooth, widely spaced; stamens 3, filaments connate into a stout column 1 mm high, anthers 0.5 × 0.3 mm, free, parallel, ellipsoid, longitudinally dehiscent. Fruit 2.3 × 3–4 mm, depressed-subglobose, smooth, ochreous. Seeds 2 × 1.3 × 1.2 mm, sharply triquetrous-segmentiform, yellowish-brown to dull greyish-brown, often with c. 8–10 longitudinal stripes of darker brown and 15–20 shallow longitudinal ridges on the dorsal facet, and with 8 concentric bands and 15 concentric ridges on each ventral facet, with innumerable transverse striae between them which exfoliate from older seeds.
Type location:	Angola
Notes:
Derivation of specific name:	gossweileri: named after J. Gossweiler who collected the type specimen in Angola.
Habitat:	In dry barren watershed grassland and miombo woodland on Kalahari Sand
Altitude range: (metres)	1400 m (approx)
Flowering time:	Apr - May
Worldwide distribution:	Angola, DRC and Zambia
National distribution:	W
Zambian distribution (Provinces):	Nw,W
Growth form(s):	Annual.
Endemic status:
Red data list status:
Insects associated with this species:
Spot characters:	Display spot characters for this species
Images last updated:	Tuesday 28 January 2025
Literature:	Radcliffe-Smith, A. (1996). Euphorbiaceae Flora Zambesiaca 9(4) Pages 74 - 75.

Other sources of information about Phyllanthus gossweileri:

Our websites:

Flora of the DRC: Phyllanthus gossweileri

External websites:

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

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gossweileri