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Clutia robusta Pax [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 4, (1996) Author: A. Radcliffe-Smith
Names
Clutia robusta Pax [family EUPHORBIACEAE], in Engler, Pflanzenw. Ost-Afrikas C: 241 (1895); Pflanzenr. [IV, fam. 147, iii] 47: 60 (1911). —Hutchinson in F.T.A. 6, 1: 811 (1912) as “Cluytia”. —Engler, Pflanzenw. Afrikas (Veg. Erde 9) 3, 2: 124 (1921). —Brenan, Check-list For. Trees Shrubs Tang. Terr.: 203 (1949). —Dale & Greenway, Kenya Trees & Shrubs: 189 (1961). —Agnew, Upl. Kenya Wild Fls: 219 (1974). —Radcliffe-Smith in F.T.E.A., Euphorb. 1: 337 (1987). —Beentje, Kenya Trees, Shrubs Lianas: 190 (1994). Types from Tanzania (Northern Province). Cluytia brachyadenia Volkens ex Pax [family EUPHORBIACEAE], in Engler, Pflanzenr. [IV, fam. 147, iii] 47: 61 (1911); Pflanzenw. Afrikas (Veg. Erde 9) 3, 2: 124 (1921) as “Cluytia”. —Brenan, Check-list For. Trees Shrubs Tang. Terr.: 202 (1949). Types from Tanzania (Northern Province). Cluytia stenophylla Pax & K. Hoffm. [family EUPHORBIACEAE], in Engler, Pflanzenr. [IV, fam. 147, iii] 47: 63 (1911) as “Cluytia”. —Brenan, Check-list For. Trees Shrubs Tang. Terr.: 203 (1949), pro parte,. Keniensia.
Information
Similar to C. paxii, but the plants somewhat taller (up to 5 m tall) and more or less glabrous; the petioles longer (up to 1.5 cm long); the leaves larger (up to 11 × 3.5 cm) and oblanceolate; and usually only 2 glands at the base of each petal in the male flowers.
Habitat
Submontane evergreen forest margins, kloof forests and grassland
Altitude range
1575–2300 m.. 2300 1575
Distribution
Zimbabwe E Nyanga (Inyanga), female fl. & fr. 4.ix.1954, Wild 4606 (K; LISC; MO; PRE; SRGH).
Distribution (external)
northern Somalia Ethiopia Uganda Kenya Tanzania
Notes
The Zimbabwean material is generally more glabrous and its leaves are broader in relation to their length than is the case in the East African material, but is otherwise indistinguishable from it.Although C. robusta is reported from SW Tanzania in east Africa, I have only seen material from E Uganda, S Kenya and N Tanzania, where it is particularly associated with the large volcanic mountains.I have not seen material from Zambia, Malawi or Mozambique.The disjunct distribution might best be marked by describing the Zimbabwean plant as a distinct subspecies, but I prefer not to introduce another name into such a plastic group.Dame Alice and the Misses Godman 252 (BM) from Old Zimbabwe, 29.viii.1929, may belong here, but the male petals are entirely devoid of basal glands.

Date Updated: 26 July 2007

Herbarium
Royal Botanic Gardens, Kew (K)
Collection
Flora Zambesiaca
Resource Type
Reference Sources
Entry From
FZ, Vol 9, Part 4, (1996) Author: A. Radcliffe-Smith
Names
Clutia robusta Pax [family EUPHORBIACEAE], in Engler, Pflanzenw. Ost-Afrikas C: 241 (1895); Pflanzenr. [IV, fam. 147, iii] 47: 60 (1911). —Hutchinson in F.T.A. 6, 1: 811 (1912) as “Cluytia”. —Engler, Pflanzenw. Afrikas (Veg. Erde 9) 3, 2: 124 (1921). —Brenan, Check-list For. Trees Shrubs Tang. Terr.: 203 (1949). —Dale & Greenway, Kenya Trees & Shrubs: 189 (1961). —Agnew, Upl. Kenya Wild Fls: 219 (1974). —Radcliffe-Smith in F.T.E.A., Euphorb. 1: 337 (1987). —Beentje, Kenya Trees, Shrubs Lianas: 190 (1994). Types from Tanzania (Northern Province). Cluytia brachyadenia Volkens ex Pax [family EUPHORBIACEAE], in Engler, Pflanzenr. [IV, fam. 147, iii] 47: 61 (1911); Pflanzenw. Afrikas (Veg. Erde 9) 3, 2: 124 (1921) as “Cluytia”. —Brenan, Check-list For. Trees Shrubs Tang. Terr.: 202 (1949). Types from Tanzania (Northern Province). Cluytia stenophylla Pax & K. Hoffm. [family EUPHORBIACEAE], in Engler, Pflanzenr. [IV, fam. 147, iii] 47: 63 (1911) as “Cluytia”. —Brenan, Check-list For. Trees Shrubs Tang. Terr.: 203 (1949), pro parte,. Keniensia.
Information
Similar to C. paxii, but the plants somewhat taller (up to 5 m tall) and more or less glabrous; the petioles longer (up to 1.5 cm long); the leaves larger (up to 11 × 3.5 cm) and oblanceolate; and usually only 2 glands at the base of each petal in the male flowers.
Habitat
Submontane evergreen forest margins, kloof forests and grassland
Altitude range
1575–2300 m.. 2300 1575
Distribution
Zimbabwe E Nyanga (Inyanga), female fl. & fr. 4.ix.1954, Wild 4606 (K; LISC; MO; PRE; SRGH).
Distribution (external)
northern Somalia Ethiopia Uganda Kenya Tanzania
Notes
The Zimbabwean material is generally more glabrous and its leaves are broader in relation to their length than is the case in the East African material, but is otherwise indistinguishable from it.Although C. robusta is reported from SW Tanzania in east Africa, I have only seen material from E Uganda, S Kenya and N Tanzania, where it is particularly associated with the large volcanic mountains.I have not seen material from Zambia, Malawi or Mozambique.The disjunct distribution might best be marked by describing the Zimbabwean plant as a distinct subspecies, but I prefer not to introduce another name into such a plastic group.Dame Alice and the Misses Godman 252 (BM) from Old Zimbabwe, 29.viii.1929, may belong here, but the male petals are entirely devoid of basal glands.

Date Updated: 26 July 2007

Herbarium
Royal Botanic Gardens, Kew (K)
Collection
Flora Zambesiaca
Resource Type
Reference Sources
Entry From
FZ, Vol 9, Part 4, (1996) Author: A. Radcliffe-Smith
Names
Clutia robusta Pax [family EUPHORBIACEAE], in Engler, Pflanzenw. Ost-Afrikas C: 241 (1895); Pflanzenr. [IV, fam. 147, iii] 47: 60 (1911). —Hutchinson in F.T.A. 6, 1: 811 (1912) as “Cluytia”. —Engler, Pflanzenw. Afrikas (Veg. Erde 9) 3, 2: 124 (1921). —Brenan, Check-list For. Trees Shrubs Tang. Terr.: 203 (1949). —Dale & Greenway, Kenya Trees & Shrubs: 189 (1961). —Agnew, Upl. Kenya Wild Fls: 219 (1974). —Radcliffe-Smith in F.T.E.A., Euphorb. 1: 337 (1987). —Beentje, Kenya Trees, Shrubs Lianas: 190 (1994). Types from Tanzania (Northern Province). Cluytia brachyadenia Volkens ex Pax [family EUPHORBIACEAE], in Engler, Pflanzenr. [IV, fam. 147, iii] 47: 61 (1911); Pflanzenw. Afrikas (Veg. Erde 9) 3, 2: 124 (1921) as “Cluytia”. —Brenan, Check-list For. Trees Shrubs Tang. Terr.: 202 (1949). Types from Tanzania (Northern Province). Cluytia stenophylla Pax & K. Hoffm. [family EUPHORBIACEAE], in Engler, Pflanzenr. [IV, fam. 147, iii] 47: 63 (1911) as “Cluytia”. —Brenan, Check-list For. Trees Shrubs Tang. Terr.: 203 (1949), pro parte,. Keniensia.
Information
Similar to C. paxii, but the plants somewhat taller (up to 5 m tall) and more or less glabrous; the petioles longer (up to 1.5 cm long); the leaves larger (up to 11 × 3.5 cm) and oblanceolate; and usually only 2 glands at the base of each petal in the male flowers.
Habitat
Submontane evergreen forest margins, kloof forests and grassland
Altitude range
1575–2300 m.. 2300 1575
Distribution
Zimbabwe E Nyanga (Inyanga), female fl. & fr. 4.ix.1954, Wild 4606 (K; LISC; MO; PRE; SRGH).
Distribution (external)
northern Somalia Ethiopia Uganda Kenya Tanzania
Notes
The Zimbabwean material is generally more glabrous and its leaves are broader in relation to their length than is the case in the East African material, but is otherwise indistinguishable from it.Although C. robusta is reported from SW Tanzania in east Africa, I have only seen material from E Uganda, S Kenya and N Tanzania, where it is particularly associated with the large volcanic mountains.I have not seen material from Zambia, Malawi or Mozambique.The disjunct distribution might best be marked by describing the Zimbabwean plant as a distinct subspecies, but I prefer not to introduce another name into such a plastic group.Dame Alice and the Misses Godman 252 (BM) from Old Zimbabwe, 29.viii.1929, may belong here, but the male petals are entirely devoid of basal glands.
Clutia robusta Pax [family EUPHORBIACEAE]
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