sorus

English

A fern sorus

Etymology

New Latin sōrus, from Ancient Greek σωρός (sōrós, “heap”).

Pronunciation

IPA^(key): /ˈsɔːɹəs/
Audio (southern England) (file)

Noun

sorus (plural sori)

(mycology, lichenology) Any reproductive structure, in some lichens and fungi, that produces spores.
(botany) A cluster of sporangia on the edge or underside of a fern frond.

Synonyms

fruit dot

Derived terms

teleutosorus
uredosorus

Related terms

soral
sorocarp
sorophore

Translations

mycology, lichenology: Any reproductive structure that produces spores

Finnish: itiöpesäkeryhmä, itiöpesäkkeistö

Cluster of sporangia under fern

Czech: please add this translation if you can
Danish: please add this translation if you can
Finnish: itiöpesäkeryhmä, itiöpesäkkeistö
German: Kapselhaufen m, Kapselhäufchen n, Fruchthaufen m, Fruchthäufchen n, Sorus m
Italian: soro m
Portugese: soro (pt) m
Spanish: soro (es) m
Swedish: sporgömmesamling c

References

sorus on Wikipedia.Wikipedia
sori on Wikimedia Commons.Wikimedia Commons

Anagrams

ORuss., Russo, Russo-, sours

Latin

Etymology

From Ancient Greek σωρός (sōrós, “heap”).

Noun

sōrus m (genitive sōrī); second declension

(mycology, lichenology) Any reproductive structure, in some lichens and fungi, that produces spores.
- 1874, “Neu aufgestellte Arten”, in Leopold Just, editor, Botanischer Jahresbericht ^GB, volume 2, page 317:
  ''Calosphaeria obvoluta'' Karst. (ds. S. 158). Perith. 8–16 in soros orbiculares mediocres dense stipata, circinantia, atra, villo fusco obducta tamquam contextu, sphaeroidea, collis perithecii diametrum plerumque suberantibus ostiolisque per peridermii rimas vel poros emergentibus, plus minus exstantibus plerumque 1 Mm. longis, subaequalibus, decumbentibus, flexuosis, obtusis, hispidis instructa.
  (please add an English translation of this quote)
(botany) A cluster of sporangia on the edge or underside of a fern frond.
- 1847, Horaninov, Paulus, Characteres essentiales familiarum ac tribuum regni vegetabilis et amphorganici ad leges tetractydis naturae conscripti accedit enumeratio generum magis notorum et organographiae supplementum‎, St. Peterburg ^GB: K. Wienhöber, page 14–15:
  Sporangia (capsulae) hypophylla, raro et epiphylla, minuta, lenticularia, turbinata v. subglobosa, saepius annulo, e catenula unica cellularum (10–40) formato, verticali, obliquo v. transversali, ―∣― ―― completo v. obsoleto, cincta, ruptilia, rimosa, rarius acropora, plerumque in soros orbiculares, globosos, oblongos v. lineares et longissimos conferta, raro pauca v. solitaria. Sori e rachi, venis venulisque foliorum, passim in receptacula punctiformia v. majora-globosa, elongata v. longissima tumentibus, imposita v. ad rachin solam residuam, passim alatam spicati, nudi, pilosi v. indusio supero, infero v. laterali, scarioso, raro coriaceo, deciduo v. durabili, vero v. spurio, tecti v. involucrati.
  (please add an English translation of this quote)
- 1847, Horaninov, Paulus, Characteres essentiales familiarum ac tribuum regni vegetabilis et amphorganici ad leges tetractydis naturae conscripti accedit enumeratio generum magis notorum et organographiae supplementum‎, St. Peterburg ^GB: K. Wienhöber, page 16:
  Sporangia poro verticali v. rimula introrsum hiantia, syncyclica v. biseriata et connata in soros quasi multiloculares (bivalves), circulares, oblongos v. lineares, sparsos, confertos v. totam dorsi superficiem obtegentes, nudos v. indusiatos.
  (please add an English translation of this quote)

Declension

Second-declension noun.

Case	Singular	Plural
Nominative	sōrus	sōrī
Genitive	sōrī	sōrōrum
Dative	sōrō	sōrīs
Accusative	sōrum	sōrōs
Ablative	sōrō	sōrīs
Vocative	sōre	sōrī

Descendants

→ German: Sorus
→ English: sorus
→ Italian: soro
→ Portuguese: soro
→ Spanish: soro