Rosaceae - Rosoideae - Sanguisorbeae - *Sanguisorba L.
Description:
Perennial or rarely annual herbs or shrubs, with erect or ascending stems, unarmed, ± hairy
Leaves basal or alternate, petiolate, imparipinnate; pinnae serrated; stipules conspicuous, sheathing, adnate to petiole
Inflorescences densely capitate or spicate at ends of usually long slender and ± branched stems
Flowers bisexual or occasionally upper flowers in each inflorescence pistillate, small
Calyx: tube turbinate, mouth contracted, persistent, sometimes 4-angled and tuberculate; bracts and 2 membranous bracteoles at base, sometimes 0; lobes 4(5 or 6), caducous, petaloid, imbricate, greenish, whitish or reddish, spreading
Petals 0
Stamens 4-30, inserted at mouth of calyx tube; filaments elongate, slender, exserted; anthers short
Disc lining calyx tube and closing its mouth
Gynoecium of 1-3 free carpels; ovules solitary in each, pendulous; style filiform, long or short; stigmas brush-like, reddish
Fruit an achene, usually solitary, enclosed in dry, corky, angular or ± winged, tuberculate calyx tube
x = 7 (aneuploids, high polyploidy)
Nomenclature:
*Sanguisorba L.
Linnaeus: 116 (1753)
Linnaeus: 146 (1754)
Gaertner: 161, t. 32 (1788) (Pimpinella)
Jussieu: 336 (1789)
Candolle: 593 (1825)
Endlicher: 1244 (1840)
Focke: 44 (1894)
Nordborg: 5 (1966)
Nordborg: 1 (1967)
Zohary: 14 (1972)
Poterium L.
Linnaeus: 994 (1753) in part
Bailey & Bailey: 906 (1977)
Poteridium Spach
Spach: 43 (1846)
Distribution & Notes:
Global: Species ± 10, mainly temperate regions of the northern hemisphere
Southern Africa: *Sanguisorba minor Scop. subsp. muricata Briq., partly naturalised, Gauteng, Mpumalanga and Free State
References:
BAILEY, L.H. & BAILEY, E.Z. 1977. Cotoneaster, Crataegus, Cydonia, Duchesnea, Fragaria, Potentilla, Prunus, Pyracantha, Pyrus, Rosa & Sanguisorba (= Poterium). Hortus Third, a concise dictionary of plants cultivated in the United States and Canada. Macmillan, New York
CANDOLLE, A.-P. DE. 1825. Rosaceae. Prodromus 2. Treuttel & Würtz, Paris
ENDLICHER, S.L. 1840. Pomaceae-Rosaceae. Order AMYGDALEAE. Genera plantarum secundum ordines naturales disposita 2. Beck, Vienna
FOCKE, W.O. 1894. Rosaceae. Die natürlichen Pflanzenfamilien 3,3
GAERTNER, J. 1788. Pygeum. De fructibus et seminibus plantarum 1. Academia Carolina, Tübingen (Pimpinella)
JUSSIEU, A.L. DE. 1789. Rosaceae, les Rosacées. Genera plantarum secundum ordines naturales disposita. Herissant & Barrois, Paris
LINNAEUS, C. 1753. Species plantarum, edn 1. Laurentius Salvius, Stockholm
LINNAEUS, C. 1754. Genera plantarum, edn 5. Laurentius Salvius, Stockholm
NORDBORG, G. 1966. Sanguisorba L., Sarcopoterium Spach, and Bencomia Webb & Berth. Delimitation and subdivision of the genera. Opera Botanica 11,2
NORDBORG, G. 1967. The genus Sanguisorba section Poterium. Experimental studies and taxonomy. Opera Botanica 16
SPACH, E. 1846. Revisio generis Poterium. Annales des sciences naturelles 3; botanique ser. 5
ZOHARY, M. 1972. Rosaceae. Flora Palaestina 2
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