nodes representing

Listing 1 - 10 from 18 for nodes representing

Angiosperm Families - Acanthaceae Juss.
... genera). Stem anatomy. Cork cambium present; initially deep-seated (sometimes), or superficial. Nodes unilacunar. Primary vascular tissue bicollateral, or centrifugal. Cortical bundles absent. Medullary bundles ... stamens; representing the posterior median member, or the posterior median member and the posterior-lateral pair, or the anterior-lateral pair. Fertile stamens representing the anterior- ...
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Angiosperm Families - Berberidaceae Juss.
... simple and compound; when compound, unifoliolate (the ‘simple’ form of Berberis perhaps representing this), or ternate, or pinnate. Lamina when simple, dissected, or entire; commonly ... Berberis, Epimedium, Mahonia). Stem anatomy. Cork cambium present; initially deep-seated, or superficial. Nodes tri-lacunar, or multilacunar. Secondary thickening absent (?), or developing from a conventional ...
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Angiosperm Families - Betulaceae S.F. Gray
... without phloem transfer cells (Alnus, Betula). Stem anatomy. Cork cambium present; initially superficial. Nodes tri-lacunar. Primary vascular tissue in a cylinder, without separate bundles. Internal phloem ... (then two-winged, and the fruit sometimes remaining attached to the scalelike organ representing accrescent bracts and bracteoles). Dispersal unit the fruit. Dispersal by wind. Fruit 1 seeded ...
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Angiosperm Families - Bignoniaceae Juss.
... Catalpa, Jacaranda, Tecomella). Stem anatomy. Cork cambium present; initially deep-seated, or superficial. Nodes unilacunar (3 to several traces). Cortical bundles absent. Medullary bundles present (inversely ... as the fertile stamens; representing the posterior median member, or the posterior median member and the posterior-lateral pair. Fertile stamens representing the anterior-lateral pair ( ...
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Angiosperm Families - Carpinaceae (Spach) Kuprianova
... cells (Carpinus). Stem anatomy. Cork cambium present; initially arising in the outer cortex. Nodes tri-lacunar. Internal phloem absent. Secondary thickening developing from a conventional cambial ring ... Flowers aggregated in ‘inflorescences’; in catkins (the female catkins terminal, the males representing short-shoots). The terminal inflorescence unit cymose (the female catkins with three-flowered ...
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Angiosperm Families - Cercidiphyllaceae Van Tiegh.
... phloem transfer cells. Stem anatomy. Cork cambium present; initially superficial. Nodes tri-lacunar. Internal phloem absent. Secondary thickening developing from a ... ; dehiscing via longitudinal slits; latrorse; tetrasporangiate; appendaged. The anther appendages apical (representing the shortly prolonged connective). Microsporogenesis simultaneous. Tapetum glandular. Pollen grains aperturate ...
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Angiosperm Families - Circaeasteraceae Kuntze ex Hutch.
... exstipulate. Lamina margins apically spinulose dentate. Leaf anatomy. Stomata present; anomocytic. Stem anatomy. Nodes unilacunar. Xylem with vessels. Vessel end-walls simple. Reproductive type, pollination. Fertile ... 3); 1 whorled. Calyx 2(–3) (the third member, when present, seemingly representing a reduced stamen); polysepalous; persistent; valvate. Androecium (1–)2. Androecial members free ...
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Angiosperm Families - Combretaceae R. Br.
... supporting, or climbing (commonly); when climbing, stem twiners, or scrambling (via hooks representing persistent petiole bases); Combretum twining anticlockwise. Mesophytic to xerophytic (often in savanna), ... or absent; with mucilage. Cork cambium present; initially deep-seated, or superficial. Nodes unilacunar. Internal phloem present, or absent. Secondary thickening developing from a conventional ...
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Angiosperm Families - Commelinaceae R. Br.
... terminal aggregations of leaves. Young stems often breaking easily at the nodes. Self supporting, or epiphytic, or climbing; stem twiners, or root climbers. Mesophytic, ... dehiscing via longitudinal slits; appendaged, or unappendaged. The anther appendages when present, representing expanded connective. Endothecium developing fibrous thickenings. The endothecial thickenings girdling. Anther epidermis ...
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Nodes and the Shape of the Tree
... Nodes can have two or more descendent nodes (representing subgroups of the ancestral node), and one or more ancestral nodes. (The Tree of Life does not currently support nodes with multiple ancestral nodes ...
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