sorus

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

• IPA^(key): /ˈsɔːɹəs/

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sorus (plural sori)

1. (mycology, lichenology) Any reproductive structure, in some lichens and fungi, that produces spores.
2. (botany) A cluster of sporangia on the edge or underside of a fern frond.
   • 1857, Thomas Moore, Index Filicum: A Synopsis, with Characters, of the Genera, and an Enumeration of the Species of Ferns : with Synonymes, References:

     AGLAOMORPHIA, [...] Sori non-indusiate, rotundate, [...] Fronds coriaceous, dimorphous, the sterile sessile querciform, brown rigid; [...]

• fruit dot

• teleutosorus
• uredosorus

• soral
• sorocarp
• sorophore

• sorus on Wikipedia.Wikipedia
• Category:sori on Wikimedia Commons.Wikimedia Commons

• ORuss., Russo, Russo-, sours

From Latin sorus, from Ancient Greek σωρός (sōrós).

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• Homophone: sores

sorus m (plural sori or sorussen, diminutive sorusje n)

1. (mycology, lichenology, botany) sorus

   Synonym: sporenhoop

• sorus on the Dutch Wikipedia.Wikipedia ^nl

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

sōrus m (genitive sōrī); second declension

1. (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 quotation)

2. (botany) A cluster of sporangia on the edge or underside of a fern frond.
   • 1847, Paulus Horaninov, 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, pages 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 quotation)

   • 1847, Paulus Horaninov, 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 quotation)

Second-declension noun.

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