Edit History
Euphorbia luapulana L.C. Leach [family EUPHORBIACEAE]
Date Updated: 26 July 2007
Herbarium
Royal Botanic Gardens, Kew (K)
Collection
Flora Zambesiaca
Resource Type
Reference Sources
Entry From
FZ, Vol 9, Part 5, (2001) Author: S. Carter & L.C. Leach
Names
Euphorbia luapulana L.C. Leach [family EUPHORBIACEAE], in Excelsa No. 15: 16, fig. 11 (1992). Type: Zambia, Mwense Distr., Musonda Falls, ix.1968, G. Williamson 1147 cult. in Leach 14147 (SRGH, holotype; MO; NBG; NSW; PRE; UNIN – no type material in K).
Information
Spiny succulent subshrub to 1 m high, branched from the base, sparingly rebranched above.Branches 4-angled, c. 10 mm in diameter, usually tapered towards the base to 5–6 mm in diameter; angles sinuate with tubercles c. 15 mm apart along the margins.Spine shields to 10 mm long, narrowly decurrent ± to the flowering eye below; spines 5–8 mm long, widely divergent to ± deflexed; prickles c. 2 mm above the spines, 1–1.5 mm long, subparallel.Leaves c. 1 × 1.25 mm, deltate, deciduous.Cymes solitary, simple, subsessile; peduncle and cyme branches to 1 mm long, purplish; bracts c. 1 × 1.5 mm, subquadrate, rose-coloured.Cyathia 2.5 × 2.5–4 mm, with funnel-shaped involucres; glands c. 0.75 × 2 mm, elliptic, touching, greenish-yellow; lobes 0.75 × 0.75 mm, ± fan-shaped, shortly bilobed.Male flowers 10–15: bracteoles 2.5 mm long, filiform; stamens c. 3 mm long, anthers pinkish.Female flower: styles c. 2 mm long, shortly united, spreading, recurved, apices thickened.Capsule c. 2.75 × 3.5 mm, very obtusely lobed, eventually bright red; pedicel 1 mm long.Seed 1.75 × 1.5 mm, broadly ellipsoid, verrucose, orange-brown with scattered markings.
Habitat
On rocks close to waterfalls and rapids, in association with Aloe luapulana and Summerhaysia zambesiaca
Range
Known only from the type collection and described from a plant cultivated in Harare
Altitude range
c. 1140 m.
1140
1140
Distribution
Zambia N Mwense Distr., Musonda Falls, c. 8 km from the Zambia/Zaire border, 56 km northwest of Mansa (Fort Rosebery), ix.1968, G. Williamson 1147; cult. Harare, in Leach 14147 (MO; NBG; NSW; PRE; SRGH; UNIN).
Notes
No material of this species has been seen by me.The Musonda Falls are on the Luongo R., a tributary of the Luapula R.
Date Updated: 26 July 2007
Herbarium
Royal Botanic Gardens, Kew (K)
Collection
Flora Zambesiaca
Resource Type
Reference Sources
Entry From
FZ, Vol 9, Part 5, (2001) Author: S. Carter & L.C. Leach
Names
Euphorbia luapulana L.C. Leach [family EUPHORBIACEAE], in Excelsa No. 15: 16, fig. 11 (1992). Type: Zambia, Mwense Distr., Musonda Falls, ix.1968, G. Williamson 1147 cult. in Leach 14147 (SRGH, holotype; MO; NBG; NSW; PRE; UNIN – no type material in K).
Information
Spiny succulent subshrub to 1 m high, branched from the base, sparingly rebranched above.Branches 4-angled, c. 10 mm in diameter, usually tapered towards the base to 5–6 mm in diameter; angles sinuate with tubercles c. 15 mm apart along the margins.Spine shields to 10 mm long, narrowly decurrent ± to the flowering eye below; spines 5–8 mm long, widely divergent to ± deflexed; prickles c. 2 mm above the spines, 1–1.5 mm long, subparallel.Leaves c. 1 × 1.25 mm, deltate, deciduous.Cymes solitary, simple, subsessile; peduncle and cyme branches to 1 mm long, purplish; bracts c. 1 × 1.5 mm, subquadrate, rose-coloured.Cyathia 2.5 × 2.5–4 mm, with funnel-shaped involucres; glands c. 0.75 × 2 mm, elliptic, touching, greenish-yellow; lobes 0.75 × 0.75 mm, ± fan-shaped, shortly bilobed.Male flowers 10–15: bracteoles 2.5 mm long, filiform; stamens c. 3 mm long, anthers pinkish.Female flower: styles c. 2 mm long, shortly united, spreading, recurved, apices thickened.Capsule c. 2.75 × 3.5 mm, very obtusely lobed, eventually bright red; pedicel 1 mm long.Seed 1.75 × 1.5 mm, broadly ellipsoid, verrucose, orange-brown with scattered markings.
Habitat
On rocks close to waterfalls and rapids, in association with Aloe luapulana and Summerhaysia zambesiaca
Range
Known only from the type collection and described from a plant cultivated in Harare
Altitude range
c. 1140 m.
1140
1140
Distribution
Zambia N Mwense Distr., Musonda Falls, c. 8 km from the Zambia/Zaire border, 56 km northwest of Mansa (Fort Rosebery), ix.1968, G. Williamson 1147; cult. Harare, in Leach 14147 (MO; NBG; NSW; PRE; SRGH; UNIN).
Notes
No material of this species has been seen by me.The Musonda Falls are on the Luongo R., a tributary of the Luapula R.
Date Updated: 26 July 2007
Herbarium
Royal Botanic Gardens, Kew (K)
Collection
Flora Zambesiaca
Resource Type
Reference Sources
Entry From
FZ, Vol 9, Part 5, (2001) Author: S. Carter & L.C. Leach
Names
Euphorbia luapulana L.C. Leach [family EUPHORBIACEAE], in Excelsa No. 15: 16, fig. 11 (1992). Type: Zambia, Mwense Distr., Musonda Falls, ix.1968, G. Williamson 1147 cult. in Leach 14147 (SRGH, holotype; MO; NBG; NSW; PRE; UNIN – no type material in K).
Information
Spiny succulent subshrub to 1 m high, branched from the base, sparingly rebranched above.Branches 4-angled, c. 10 mm in diameter, usually tapered towards the base to 5–6 mm in diameter; angles sinuate with tubercles c. 15 mm apart along the margins.Spine shields to 10 mm long, narrowly decurrent ± to the flowering eye below; spines 5–8 mm long, widely divergent to ± deflexed; prickles c. 2 mm above the spines, 1–1.5 mm long, subparallel.Leaves c. 1 × 1.25 mm, deltate, deciduous.Cymes solitary, simple, subsessile; peduncle and cyme branches to 1 mm long, purplish; bracts c. 1 × 1.5 mm, subquadrate, rose-coloured.Cyathia 2.5 × 2.5–4 mm, with funnel-shaped involucres; glands c. 0.75 × 2 mm, elliptic, touching, greenish-yellow; lobes 0.75 × 0.75 mm, ± fan-shaped, shortly bilobed.Male flowers 10–15: bracteoles 2.5 mm long, filiform; stamens c. 3 mm long, anthers pinkish.Female flower: styles c. 2 mm long, shortly united, spreading, recurved, apices thickened.Capsule c. 2.75 × 3.5 mm, very obtusely lobed, eventually bright red; pedicel 1 mm long.Seed 1.75 × 1.5 mm, broadly ellipsoid, verrucose, orange-brown with scattered markings.
Habitat
On rocks close to waterfalls and rapids, in association with Aloe luapulana and Summerhaysia zambesiaca
Range
Known only from the type collection and described from a plant cultivated in Harare
Altitude range
c. 1140 m.
1140
1140
Distribution
Zambia N Mwense Distr., Musonda Falls, c. 8 km from the Zambia/Zaire border, 56 km northwest of Mansa (Fort Rosebery), ix.1968, G. Williamson 1147; cult. Harare, in Leach 14147 (MO; NBG; NSW; PRE; SRGH; UNIN).
Notes
No material of this species has been seen by me.The Musonda Falls are on the Luongo R., a tributary of the Luapula R.
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