Robinia pseudacacia

Taxonomy

Family

Leguminosae

Genus

Robinia

Species

psudacacia

Distribution

Worldwide, temperate climate areas. In Italy prefers escarpments, riverbanks, fallow fields and hedges (0 - 1000 m).

Utility

Wood, nitrogen fixation and decorative plant. Used in homeopathy, phytotherapy and folk medicin. Honey production and biodiversity.

Flowering time

V - VI

PollenPollenDefinition: The pollen grain is the Gymnosperms and Angiosperms male germ element. Its function relates to the sexual fertilization....
characteristics

Group

MonadMonadDefinition: solitary pollen grain derived from a tetrad or polyad, which normally break down into individual pollen grains....

Simmetry

Radial

PolarityPolarityDefinition: pollen characteristics to possess two endowed poles of equal or different features....

IsopolarIsopolarDefinition: pollen grain with the proximal pole like the distal one....

ExineExineDefinition: external layer of the sporoderm consisting of ectexine plus endexine....
sculpturing

PsilatePsilateDefinition: ref. sculture. Sporoderm with more or less smooth surface....

ApertureApertureDefinition: opening to allow pollen tube germination. Zone of pollen grain surface in which the exine thins or completely lacks....

TricolporateTricolporateDefinition: ref. aperture. Pollen grain with three apertures formed by colpi and pori....

Polar viewPolar viewDefinition: view from which it is possible to observe the shape, sculpture, cytoplasm and apertures of a pollen grain in polar position....

SubtriangularSubtriangularDefinition: type of pollen shape in polar view....

Equatorial view

SubcircularSubcircularDefinition: kind of pollen shape in polar view....
- SuboblateSuboblateDefinition: pollen with the P/E ratio between 0.75 to 0.88 and slightly flattened at the poles....

Subscribers users can access additional content. Subscribe now

Questo sito o gli strumenti terzi da questo utilizzati si avvalgono di cookie necessari al funzionamento ed utili alle finalità illustrate nella cookie policy. Se vuoi saperne di più o negare il consenso a tutti o ad alcuni cookie, consulta la cookie policy. Chiudendo questo banner, scorrendo questa pagina, cliccando su un link o proseguendo la navigazione in altra maniera, acconsenti all’uso dei cookie.