Definition of Pyrena. Meaning of Pyrena. Synonyms of Pyrena

Here you will find one or more explanations in English for the word Pyrena. Also in the bottom left of the page several parts of wikipedia pages related to the word Pyrena and, of course, Pyrena synonyms and on the right images related to the word Pyrena.

Definition of Pyrena

Pyrena
Pyrena Py*re"na, n.; pl. Pyren[ae]. [NL., fr. Gr. ?, the stone of fruit.] (Bot.) A nutlet resembling a seed, or the kernel of a drupe. --Gray.

Meaning of Pyrena from wikipedia

- Pyrena or pyrene is the name for the stone within a drupe or drupelet. It consists of a seed surrounded by hard endocarp tissue. Beentje, H.; Williamson...
- oogonium of stoneworts). In botany, the term "nutlet" specifically refers to a pyrena or pyrene, which is a seed covered by a stony layer, such as the kernel...
- A nutlet is a small nut. Nutlet may also refer to: Pyrena or nutlet, a seed covered by a stony layer Nutlet or Oreshek, another name for Shlisselburg Fortress...
- Pyrene (gastropod), a genus of sea snails from the family Columbellidae Pyrena, a kind of nutlet Pyrenees, a mountain range between France and Spain Pyrenoid...
- anthers, and pitting and other ornamentation (or lack thereof) of the pyrenas. The type specimen, collected along the Genesee River near Rochester, New...
- not have an endosperm. When these fruits mature, they separate into two pyrenas, or seeds surrounded by hardened endocarp. Not many uses have, as yet,...
- purplish black, ovoid pomes (~ 8.5 X 5.5 mm), each contains one or two pyrenas. The diploid chromosomal number for C. tenuipes is 68 (2n = 68). Cotoneaster...
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