File:The natural history of plants, their forms, growth, reproduction, and distribution; (1902) (14742646456).jpg

Identifier: naturalhistoryof02kern (find matches)
Title: The natural history of plants, their forms, growth, reproduction, and distribution;
Year: 1902 (1900s)
Authors: Kerner von Marilaun, Anton, 1831-1898 Oliver, Francis Wall, 1864- Macdonald, Mary Frances Ewart Busk, Marian Balfour, Lady
Subjects: Botany
Publisher: London, Blackie
Contributing Library: NCSU Libraries
Digitizing Sponsor: NCSU Libraries

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ds of flowers dis-tributed on tivo orseveral plants. Species belongingto the tenth groupbear true hermaphro-dite flowers on oneplant and pseudo-hermaphrodite femaleflowers on another.Examples of this are:numerous Valerians(e.g. Valeriana mon-tana, Saliunca, su-2nna), some Dipsacesa(e.g. Scabiosa lucida,Knautia arvensis),many Saxifrages (e.g.Saxifraga aquatica),the cultivated Vine(Vitis vinifera), manyCaryophyllacese (e.g.Dianthus glacialisand prolifer, LychnisSilene noctiflora), and, especially, very many Labiatae (e.g. Calamintha,Glechoma, Marrubium, Mentha, Origanum, Prunella, Thymus). In the eleventh group we place those plants which develop true hermaphroditeflowers on one plant and pseudo-hermaphrodite male flowers on another, as, forexample, numerous Ranunculaceae (e.g. Ranunculus baldensis, Pulsatilla alpina,vernalis, Ranunculus alpestris, glacialis), many Rosacese (e.g. Dry as octopetala, Geummontanum and reptans), and many species of Vine (e.g. Vitis sylvestris. macrocirrha).
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Fig. 286.—Type of a monoecious plant. Oak (Quercus pedunctilata); pistillate flowers on the upper part of the twig, staminateflowers (in pendent catkins) below. 2 A single pistillate flower of the same plant. Three staminate flowers of the same plant. 1 nat. size; 2 and s x 4. Viscaria. DISTRIBUTION OF SEXES. 29& The twelfth group comprises those species which bear pseudo-hermaphroditefemale flowers on one plant and pseudo-hermaphrodite male flowers on another.This is observed in species of Buckthorn of the section Curvispina (Rhamnuscathartica, saxatilis, tinctoria), in various Caryophyllacese (e.g. Lychnis diurnaand vespertina), in Asparagus (Asparagus offbcinalis), the Rose-root (Rhodiolarosea), the Mountain Currant (Ribes alpinum), and the Fullers Thistle (Cirsium).

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