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AGROSTIS Mannii Stapf [family POACEAE]
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 10, page 1, (1937) Author: (By C. E. HUBBARD.)
Names
AGROSTIS Mannii Stapf [family POACEAE], in Dyer, Fl. Cap. vii. 549 (1899), in obs. —Hutch. in Hutch. & Dalz. Fl. W. Trop. Afr. ii. 530.
Deyeuxia Mannii Hook. f. [family POACEAE], in Journ. Linn. Soc., Bot. vii. 228 (1864).
Calamagrostis Mannii Engl. [family POACEAE], in Abh. Preuss. Akad. Wiss. 1891, 129 (1892); Durand & Schinz, Consp. Fl. Afr. v. 831.
Information
A tufted perennial, 3/4–3 ft. high. Culms erect or geniculately ascending, slender, few- to many-noded, simple or branched, usually retrorsely scabrid, especially towards the panicle and often towards the nodes, otherwise smooth and glabrous; uppermost internodes at length long-exserted. Leaf-sheaths striate, glabrous, retrorsely scaberulous or smooth, longer than the internodes or finally shorter; ligule oblong, obtuse, up to 2 1/2 lin. long; blade linear, tapering to a fine hard tip, up to 10 in. long, 3/4–1 3/4 lin. wide, flat or convolute, stiff to rigid, green, glabrous, scaberulous or smooth. Panicle ovate to oblong, 1 1/2–8 in. long, 1/2–2 1/2 in. wide, loose and open, or more or less contracted, flexuous; rhachis slender, smooth below, scaberulous above, flexuous; branches in distant fascicles, unequal, filiform, flexuous, loosely divided above the base, scaberulous to minutely hispidulous, the lower up to 4 in. long; lateral pedicels 1/3–1 lin. long. Spikelets oblong, at length widely gaping, 1 3/4–2 1/2 lin. long, purplish; rhachilla produced, 1/4 lin. long, ciliate, often bearing a fine scaberulous bristle up to 1 1/2 lin. long. Glumes linear-lanceolate to narrowly lanceolate in profile, acute, firmly membranous, scaberulous on the keel; lower 1-sub3-nerved; upper subequal to the lower or slightly shorter, 3-nerved, with the lateral nerves short. Valve elliptic-oblong when flattened, emarginate-truncate, 1 1/4–1 1/2 lin. long, membranous, loosely and shortly pilose except towards the apex, 5-nerved, with the lateral nerves excurrent into fine mucros; callus shortly bearded; awn inserted near the base of the valve, geniculate, up to 3 1/2 lin. long, with the column 1–1 1/2 lin. long. Valvule narrowly lanceolate, as long as the valve, shortly 2-toothed, sparingly pilose at the middle, 2-nerved. Anthers 1/2 lin. long. Grain oblong, up to 3/4 lin. long.
Distribution
Nigeria Upper Guinea Cameroons Mtn., above timber line, 1000 ft., Dunlap, 218! Jongo, in grassland bordering forest, 6700 ft., Maitland, 7033! near Nyanga Camp, open grassland, 7500 ft., Maitland, 928! Mann's Spring, 7800 ft., Steele, 100! Meyer Crater, 8000 ft., Maitland, 1219! Onyanga, 8100 ft., grassy uplands, Steele, 52! 8000–10,000 ft., Mann, 2096! 12,000 ft., Maitland, 1280! 10,000 ft. to summit, Mann, 1350!Fernando Po Upper Guinea 8500 ft., Mann, 1469!
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 10, page 1, (1937) Author: (By C. E. HUBBARD.)
Names
AGROSTIS Mannii Stapf [family POACEAE], in Dyer, Fl. Cap. vii. 549 (1899), in obs. —Hutch. in Hutch. & Dalz. Fl. W. Trop. Afr. ii. 530.
Deyeuxia Mannii Hook. f. [family POACEAE], in Journ. Linn. Soc., Bot. vii. 228 (1864).
Calamagrostis Mannii Engl. [family POACEAE], in Abh. Preuss. Akad. Wiss. 1891, 129 (1892); Durand & Schinz, Consp. Fl. Afr. v. 831.
Information
A tufted perennial, 3/4–3 ft. high. Culms erect or geniculately ascending, slender, few- to many-noded, simple or branched, usually retrorsely scabrid, especially towards the panicle and often towards the nodes, otherwise smooth and glabrous; uppermost internodes at length long-exserted. Leaf-sheaths striate, glabrous, retrorsely scaberulous or smooth, longer than the internodes or finally shorter; ligule oblong, obtuse, up to 2 1/2 lin. long; blade linear, tapering to a fine hard tip, up to 10 in. long, 3/4–1 3/4 lin. wide, flat or convolute, stiff to rigid, green, glabrous, scaberulous or smooth. Panicle ovate to oblong, 1 1/2–8 in. long, 1/2–2 1/2 in. wide, loose and open, or more or less contracted, flexuous; rhachis slender, smooth below, scaberulous above, flexuous; branches in distant fascicles, unequal, filiform, flexuous, loosely divided above the base, scaberulous to minutely hispidulous, the lower up to 4 in. long; lateral pedicels 1/3–1 lin. long. Spikelets oblong, at length widely gaping, 1 3/4–2 1/2 lin. long, purplish; rhachilla produced, 1/4 lin. long, ciliate, often bearing a fine scaberulous bristle up to 1 1/2 lin. long. Glumes linear-lanceolate to narrowly lanceolate in profile, acute, firmly membranous, scaberulous on the keel; lower 1-sub3-nerved; upper subequal to the lower or slightly shorter, 3-nerved, with the lateral nerves short. Valve elliptic-oblong when flattened, emarginate-truncate, 1 1/4–1 1/2 lin. long, membranous, loosely and shortly pilose except towards the apex, 5-nerved, with the lateral nerves excurrent into fine mucros; callus shortly bearded; awn inserted near the base of the valve, geniculate, up to 3 1/2 lin. long, with the column 1–1 1/2 lin. long. Valvule narrowly lanceolate, as long as the valve, shortly 2-toothed, sparingly pilose at the middle, 2-nerved. Anthers 1/2 lin. long. Grain oblong, up to 3/4 lin. long.
Distribution
Nigeria Upper Guinea Cameroons Mtn., above timber line, 1000 ft., Dunlap, 218! Jongo, in grassland bordering forest, 6700 ft., Maitland, 7033! near Nyanga Camp, open grassland, 7500 ft., Maitland, 928! Mann's Spring, 7800 ft., Steele, 100! Meyer Crater, 8000 ft., Maitland, 1219! Onyanga, 8100 ft., grassy uplands, Steele, 52! 8000–10,000 ft., Mann, 2096! 12,000 ft., Maitland, 1280! 10,000 ft. to summit, Mann, 1350!Fernando Po Upper Guinea 8500 ft., Mann, 1469!
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 10, page 1, (1937) Author: (By C. E. HUBBARD.)
Names
AGROSTIS Mannii Stapf [family POACEAE], in Dyer, Fl. Cap. vii. 549 (1899), in obs. —Hutch. in Hutch. & Dalz. Fl. W. Trop. Afr. ii. 530.
Deyeuxia Mannii Hook. f. [family POACEAE], in Journ. Linn. Soc., Bot. vii. 228 (1864).
Calamagrostis Mannii Engl. [family POACEAE], in Abh. Preuss. Akad. Wiss. 1891, 129 (1892); Durand & Schinz, Consp. Fl. Afr. v. 831.
Information
A tufted perennial, 3/4–3 ft. high. Culms erect or geniculately ascending, slender, few- to many-noded, simple or branched, usually retrorsely scabrid, especially towards the panicle and often towards the nodes, otherwise smooth and glabrous; uppermost internodes at length long-exserted. Leaf-sheaths striate, glabrous, retrorsely scaberulous or smooth, longer than the internodes or finally shorter; ligule oblong, obtuse, up to 2 1/2 lin. long; blade linear, tapering to a fine hard tip, up to 10 in. long, 3/4–1 3/4 lin. wide, flat or convolute, stiff to rigid, green, glabrous, scaberulous or smooth. Panicle ovate to oblong, 1 1/2–8 in. long, 1/2–2 1/2 in. wide, loose and open, or more or less contracted, flexuous; rhachis slender, smooth below, scaberulous above, flexuous; branches in distant fascicles, unequal, filiform, flexuous, loosely divided above the base, scaberulous to minutely hispidulous, the lower up to 4 in. long; lateral pedicels 1/3–1 lin. long. Spikelets oblong, at length widely gaping, 1 3/4–2 1/2 lin. long, purplish; rhachilla produced, 1/4 lin. long, ciliate, often bearing a fine scaberulous bristle up to 1 1/2 lin. long. Glumes linear-lanceolate to narrowly lanceolate in profile, acute, firmly membranous, scaberulous on the keel; lower 1-sub3-nerved; upper subequal to the lower or slightly shorter, 3-nerved, with the lateral nerves short. Valve elliptic-oblong when flattened, emarginate-truncate, 1 1/4–1 1/2 lin. long, membranous, loosely and shortly pilose except towards the apex, 5-nerved, with the lateral nerves excurrent into fine mucros; callus shortly bearded; awn inserted near the base of the valve, geniculate, up to 3 1/2 lin. long, with the column 1–1 1/2 lin. long. Valvule narrowly lanceolate, as long as the valve, shortly 2-toothed, sparingly pilose at the middle, 2-nerved. Anthers 1/2 lin. long. Grain oblong, up to 3/4 lin. long.
Distribution
Nigeria Upper Guinea Cameroons Mtn., above timber line, 1000 ft., Dunlap, 218! Jongo, in grassland bordering forest, 6700 ft., Maitland, 7033! near Nyanga Camp, open grassland, 7500 ft., Maitland, 928! Mann's Spring, 7800 ft., Steele, 100! Meyer Crater, 8000 ft., Maitland, 1219! Onyanga, 8100 ft., grassy uplands, Steele, 52! 8000–10,000 ft., Mann, 2096! 12,000 ft., Maitland, 1280! 10,000 ft. to summit, Mann, 1350!Fernando Po Upper Guinea 8500 ft., Mann, 1469!
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