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petiolar pits

Listing 1 - 3 from 3 for petiolar pits

MBG: Research: Mesoamerica: Chrysochlamys
... ; leaves with large, adaxial, margined petiolar pits; seeds ca. 6 mm.........................................Dystovomita 1b. Inflorescences usually terminal; leaves mostly lacking petiolar pits; seeds ca. 1 cm or ... clear, occasionally white, rarely yellow; internodes mostly without bud-scale scars. Petiolar pits and interpetiolar stipuliform structures absent. Leaves opposite, the blades elliptic; ...

Angiosperm Families - Asclepiadaceae R.Br.
... initially superficial. Nodes unilacunar, or tri-lacunar (? — associated with one or three petiolar traces, not gutter-shaped). Primary vascular tissue often bicollateral. Internal phloem usually present ... or without fibre tracheids; with vessels. Vessel end-walls simple. Vessels with vestured pits. Wood storied (Leptadenia), or partially storied, or not storied (?); parenchyma apotracheal (usually ...

Angiosperm Families - Dichapetalaceae Baill.
... . Vessel end-walls simple, or scalariform and simple. Vessels with vestured pits. Wood parenchyma apotracheal, or paratracheal. Reproductive type, pollination. Plants hermaphrodite, or monoecious. ... cymes and in fascicles. The terminal inflorescence unit cymose. Inflorescences axillary (to petiolar), or epiphyllous; dichotomous cymes or fascicles. Flowers small; regular, or somewhat irregular ...
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