absent perianth

Listing 1 - 10 from 14 for absent perianth

Angiosperm Families - Aceraceae Juss.
... gynophore. Free hypanthium absent. Hypogynous disk present, or absent (rarely); of separate members, or annular (annular or lobed, or reduced to teeth, rarely absent). Perianth with distinct calyx and ... exclusively of fertile stamens. Stamens (4–)8(–10); isomerous with the perianth, or diplostemonous, or triplostemonous. Anthers dorsifixed (slightly), or basifixed; versatile, or non-versatile ...
delta-intkey.com

Angiosperm Families - Achatocarpaceae Heimerl.
... absent. Perianth sepaline; 4, or 5; 1 whorled; green. Calyx 4, or 5; 1 whorled; polysepalous; regular; persistent; imbricate. Androecium in male flowers, 10–20. Androecial members free of the perianth ... (Phaulothamnus); spinulose. Gynoecium 2 carpelled. Carpels reduced in number relative to the perianth. The pistil 1 celled. Gynoecium syncarpous; synovarious (the styles simple, divergent, uncinate ...
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San Marcos Vernal Pool Checklist
... the base of this notch there may be a minute, dentate lobe, although it is absent in most southern California populations. With a dentate appendage at the base, the notch appears ... several other endangered wildflowers. It can readily be distinguished from other brodiaeas by the spreading perianth and threadlike (filiform) staminodia. This California endemic is on the CNPS List 1B: Rare, threatened ...
waynesword.palomar.edu

Sections - Croton Research Network
... absent in pistillate flowers; staments c. 11; pistillate flowers short-pedicellate, sepals entire, eglandular, valvate; styles bifid. This monotypic section of Brazil scarcely differs from sect. Tiglium except in the tetramerous perianth ... stipules obsolete; inflorescences pseudoterminal at dichotomies of stems, bisexual; pistillate perianth obsolete, staminate flowers apetalous; stamens 6-10; ovary ...
www.botany.wisc.edu

Clivia Guide Main
... The proportions of these vary. i. Self. Where the basal (throat) colour is negligible or absent. ii. Standard. Where the basal colour occupies approximately one half of the tepal's ... interbreeding, or potentially interbreeding group, breeding true within its own limits in nature. tepal A perianth segment, not differentiated into a calyx (sepal) or corolla (petal). tessellated Surface marked with ...
www.cliviasociety.org

Columnar Cacti - Armatocereus
... Areoles large. Spines usually stout, rarely weak or absent. Flowers open at night, large, tubular or narrowly funneliform, whire or rarely red; perianth parts not strongly flared; areoles of pericarpels and ... to ovoid, red or green, with white and fleshy pulp, spines falling away at maturity; perianth parts persistant. Seeds large, ovoid to kidney-shaped, black. Distribution: mainly the Andes of ...
www.columnar-cacti.org

Forestry Glossary: S is for ... samara, sapling, and subkingdom
... subtropical grassland, generally with a scattering of trees and/or shrubs. If woody growth is absent it is a grass savanna; with shrubs and no trees, a shrub savanna; with shrubs ... which connects the stigma with the ovary. superior ovary (n.) An ovary located above the perianth and free of the calyx. suppressed (adj.) Very slowly growing trees with crowns in the ...
www.icogitate.com

Ariocarpus trigonus
... wide; spine-bearing portions of the areoles absent at the tips of the tubercles; flowers 3-5cm in diam., 2.5-4cm long; outer perianth parts pale yellow or cream-colored occasionally ... mid-ribs, 1.5-3cm long, 3-4mm broad, mucronate but occasionally rounded apically; inner perianth parts yellow or cream colored, 1.4-3cm long, 4- 8mm broad; pistil occasionally exserted ...
www.living-rocks.com

Notocactus Information Exchange - Position of the Genus within the Plant Kingdom
... Perfect flowers, leaves opposite or whorled, ovary generally superior, fruit a capsule, petals sometimes absent. Family: Cactaceae A.L de Jussieu. For a full description of the family Cactaceae ... spines. Occasionally areoles absent, very rarely scales are absent too, and then the receptacle tube has a leafy crown (Melocactus). Sometimes the base of the inner perianth segments grows into a ...
www.mfaint.demon.co.uk

Chapter 3: Taxonomy, Page 1
... partially acyclic. Rarely the perianth acyclic, or the androecium acyclic. Perigone tube present, or absent. Perianth with distinct calyx and corolla, or of `tepals', or vestigial to absent (rarely); 6 (usually), ... 10-900 (i.e. occasionally very numerous). Androecial members free of the perianth, or adnate (to the perianth); free of one another, or coherent; 1 - adelphous (filaments often united ...
www.plantapalm.com

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