Synonymer & Information om | Engelska ordet EXINE

Exempel på hur man kan använda EXINE i en mening

• The exine layer is often intricately sculptured in species-specific patterns, allowing material recovered from (for example) lake sediments to provide useful information to palynologists about plant and fungal populations in the past.
• They are 3-colplorate with a subtriangular amb, a small polar area, a long colpus, a lalongate endoaperture, a caveate exine and an echinate sexine.
• One is binucleate pollen, which has a thicker exine and the second is trinucleate pollen, which has a thinner exine.
• Von Ubish concluded that orbicules are homologous with the pollen exine, as both showed the same reaction to chemicals and stains and they developed synchronously.
• The exine is mixed with dense, superposed clavate and baculate processes, whereas the sexine is reticulate.
• There are around 60 stamens with very short filaments, the elongated, basifixed anthers carry triangle shaped pollen with reticulate, tectate exine.
• They carry three or six stamens on short, recurved filaments with basifixed, latrose anthers with elliptic, monosulcate pollen and scabrate, tectate exine.
• The staminate flowers have three pointed sepals and as many valvate petals; the six stamens have strongly inflexed filaments with oblong dorsifixed anthers carrying elliptic pollen with finely reticulate, tectate exine.

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