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EUPHORBIA heterochroma Pax [family EUPHORBIACEAE]
Date Updated: 19 August 2007
Herbarium
Royal Botanic Gardens, Kew (K)
Collection
Flora of Tropical Africa
Resource Type
Reference Sources
Entry From
Flora of Tropical Africa, Vol 6, Part 1, page 441, (1913) Author: (By J. G. Baker, with additions by C. H. Wright.)
Names
EUPHORBIA heterochroma Pax [family EUPHORBIACEAE], in Engl. Pfl. Ost-Afr. C. 242. —Pax in Engl. Jahrb. xxiii. 532, and xxxiv. 83; Volkens in Notizbl. Königl. Bot. Gart. Berlin, ii. 266; Berger, Sukk. Euphorb. 60.
EUPHORBIA Stuhlmannii Schweinf. ex Volkens [family EUPHORBIACEAE], in Notizbl. Königl. Bot. Gart. Berlin, ii. 267, not of Pax; Pax in Engl. Jahrb. xxxiv. 70 (not of xxiii. 535).
EUPHORBIA impervia Berger [family EUPHORBIACEAE], Sukk. Euphorb. 64.
EUPHORBIA Stapfii Berger [family EUPHORBIACEAE], Sukk. Euphorb. 59.
Information
A spiny succulent leafless bush 1 1/2–6 ft. high, branching at the base. Branches ascending, when young 1/2–1 in. in diam., less when dried, 4–5-angled, usually with distant slight constrictions, sides concave, becoming nearly flat with age, glabrous, light green, slightly glaucous; angles slightly compressed, with the margins even or more or less distinctly sinuate-toothed, sometimes on the same branch and the spine-shields sometimes united into a continuous dark brown or grey horny border, sometimes interrupted at the flowering-eyes. Leaves rudimentary, scale-like, about 3/4 lin. long, ovate, acute. Spines 1/4–3 lin. long, sometimes obsolete, in pairs 1/4– 3/4 in. apart, diverging, with or without a pair of minute prickles or points near their base, dark grey. Flowering-eyes 1–2 1/2 lin. above the spine-pairs. Cymes sessile or subsessile, solitary, with 3 or fewer involucres. Central involucre male, sessile, deciduous, lateral on peduncles (cyme-branches) 1/2–1 lin. long, hermaphrodite, 1 1/2–1 3/4 lin. in diam., somewhat obconic, glabrous, with 5–6 subquadrate or transversely rectangular toothed lobes; glands contiguous or only separated by cut-like notches or united into a continuous rim, when separate 2/3–1 lin. in their greater diam., transversely oblong, entire, yellow. Capsule about 2 lin. in diam., 3-angled or somewhat 3-lobed as seen from above, glabrous, exserted much beyond the involucre on a slender curved pedicel 1/4 in. long; styles 2/3–1 lin. long, shortly united at the base, then spreading, slender, with thickened or subcapitate tips. Seeds smooth.
Distribution
German East Africa Mozamb. Dist. Kilimanjaro; by the Himo River, 2900 ft., Volkens, 1759! near Rorchoto Village, Uhlig, 242! Usambara; steppe, east of Pare Mountains, 2200 ft., Uhlig, 811A! near Pangani, Stuhlmann, 70! and without precise locality, Fischer, 182!Uganda Nile Land cultivated at Entebbe, Brown, 227! Menjo, Stuhlmann, 1301!British East Africa Nile Land Gimba Mountain, near Voi, Uhlig!
Date Updated: 19 August 2007
Herbarium
Royal Botanic Gardens, Kew (K)
Collection
Flora of Tropical Africa
Resource Type
Reference Sources
Entry From
Flora of Tropical Africa, Vol 6, Part 1, page 441, (1913) Author: (By J. G. Baker, with additions by C. H. Wright.)
Names
EUPHORBIA heterochroma Pax [family EUPHORBIACEAE], in Engl. Pfl. Ost-Afr. C. 242. —Pax in Engl. Jahrb. xxiii. 532, and xxxiv. 83; Volkens in Notizbl. Königl. Bot. Gart. Berlin, ii. 266; Berger, Sukk. Euphorb. 60.
EUPHORBIA Stuhlmannii Schweinf. ex Volkens [family EUPHORBIACEAE], in Notizbl. Königl. Bot. Gart. Berlin, ii. 267, not of Pax; Pax in Engl. Jahrb. xxxiv. 70 (not of xxiii. 535).
EUPHORBIA impervia Berger [family EUPHORBIACEAE], Sukk. Euphorb. 64.
EUPHORBIA Stapfii Berger [family EUPHORBIACEAE], Sukk. Euphorb. 59.
Information
A spiny succulent leafless bush 1 1/2–6 ft. high, branching at the base. Branches ascending, when young 1/2–1 in. in diam., less when dried, 4–5-angled, usually with distant slight constrictions, sides concave, becoming nearly flat with age, glabrous, light green, slightly glaucous; angles slightly compressed, with the margins even or more or less distinctly sinuate-toothed, sometimes on the same branch and the spine-shields sometimes united into a continuous dark brown or grey horny border, sometimes interrupted at the flowering-eyes. Leaves rudimentary, scale-like, about 3/4 lin. long, ovate, acute. Spines 1/4–3 lin. long, sometimes obsolete, in pairs 1/4– 3/4 in. apart, diverging, with or without a pair of minute prickles or points near their base, dark grey. Flowering-eyes 1–2 1/2 lin. above the spine-pairs. Cymes sessile or subsessile, solitary, with 3 or fewer involucres. Central involucre male, sessile, deciduous, lateral on peduncles (cyme-branches) 1/2–1 lin. long, hermaphrodite, 1 1/2–1 3/4 lin. in diam., somewhat obconic, glabrous, with 5–6 subquadrate or transversely rectangular toothed lobes; glands contiguous or only separated by cut-like notches or united into a continuous rim, when separate 2/3–1 lin. in their greater diam., transversely oblong, entire, yellow. Capsule about 2 lin. in diam., 3-angled or somewhat 3-lobed as seen from above, glabrous, exserted much beyond the involucre on a slender curved pedicel 1/4 in. long; styles 2/3–1 lin. long, shortly united at the base, then spreading, slender, with thickened or subcapitate tips. Seeds smooth.
Distribution
German East Africa Mozamb. Dist. Kilimanjaro; by the Himo River, 2900 ft., Volkens, 1759! near Rorchoto Village, Uhlig, 242! Usambara; steppe, east of Pare Mountains, 2200 ft., Uhlig, 811A! near Pangani, Stuhlmann, 70! and without precise locality, Fischer, 182!Uganda Nile Land cultivated at Entebbe, Brown, 227! Menjo, Stuhlmann, 1301!British East Africa Nile Land Gimba Mountain, near Voi, Uhlig!
Date Updated: 19 August 2007
Herbarium
Royal Botanic Gardens, Kew (K)
Collection
Flora of Tropical Africa
Resource Type
Reference Sources
Entry From
Flora of Tropical Africa, Vol 6, Part 1, page 441, (1913) Author: (By J. G. Baker, with additions by C. H. Wright.)
Names
EUPHORBIA heterochroma Pax [family EUPHORBIACEAE], in Engl. Pfl. Ost-Afr. C. 242. —Pax in Engl. Jahrb. xxiii. 532, and xxxiv. 83; Volkens in Notizbl. Königl. Bot. Gart. Berlin, ii. 266; Berger, Sukk. Euphorb. 60.
EUPHORBIA Stuhlmannii Schweinf. ex Volkens [family EUPHORBIACEAE], in Notizbl. Königl. Bot. Gart. Berlin, ii. 267, not of Pax; Pax in Engl. Jahrb. xxxiv. 70 (not of xxiii. 535).
EUPHORBIA impervia Berger [family EUPHORBIACEAE], Sukk. Euphorb. 64.
EUPHORBIA Stapfii Berger [family EUPHORBIACEAE], Sukk. Euphorb. 59.
Information
A spiny succulent leafless bush 1 1/2–6 ft. high, branching at the base. Branches ascending, when young 1/2–1 in. in diam., less when dried, 4–5-angled, usually with distant slight constrictions, sides concave, becoming nearly flat with age, glabrous, light green, slightly glaucous; angles slightly compressed, with the margins even or more or less distinctly sinuate-toothed, sometimes on the same branch and the spine-shields sometimes united into a continuous dark brown or grey horny border, sometimes interrupted at the flowering-eyes. Leaves rudimentary, scale-like, about 3/4 lin. long, ovate, acute. Spines 1/4–3 lin. long, sometimes obsolete, in pairs 1/4– 3/4 in. apart, diverging, with or without a pair of minute prickles or points near their base, dark grey. Flowering-eyes 1–2 1/2 lin. above the spine-pairs. Cymes sessile or subsessile, solitary, with 3 or fewer involucres. Central involucre male, sessile, deciduous, lateral on peduncles (cyme-branches) 1/2–1 lin. long, hermaphrodite, 1 1/2–1 3/4 lin. in diam., somewhat obconic, glabrous, with 5–6 subquadrate or transversely rectangular toothed lobes; glands contiguous or only separated by cut-like notches or united into a continuous rim, when separate 2/3–1 lin. in their greater diam., transversely oblong, entire, yellow. Capsule about 2 lin. in diam., 3-angled or somewhat 3-lobed as seen from above, glabrous, exserted much beyond the involucre on a slender curved pedicel 1/4 in. long; styles 2/3–1 lin. long, shortly united at the base, then spreading, slender, with thickened or subcapitate tips. Seeds smooth.
Distribution
German East Africa Mozamb. Dist. Kilimanjaro; by the Himo River, 2900 ft., Volkens, 1759! near Rorchoto Village, Uhlig, 242! Usambara; steppe, east of Pare Mountains, 2200 ft., Uhlig, 811A! near Pangani, Stuhlmann, 70! and without precise locality, Fischer, 182!Uganda Nile Land cultivated at Entebbe, Brown, 227! Menjo, Stuhlmann, 1301!British East Africa Nile Land Gimba Mountain, near Voi, Uhlig!
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