sorusn.

Brit.

/ˈsɔːrəs/, U.S.

/ˈsɔrəs/

Forms: Plural sori

/ˈsɔəraɪ/.

Etymology: modern Latin, < Greek σωρός heap.

1. Botany. A cluster of capsules or spore-cases on the under surface of fern-leaves.

ΘΚΠ

the world > plants > particular plants > ferns > [noun] > parts of

crooka1398

brake-root1626

indusium1807

membranula1821

sorus1832

foot1862

crosier1874

fruit-dot1880

fiddle-head1882

saddle1882

fern-cup1888

stomium1905

annulus-

1832 J. Lindley Introd. Bot. i. iii. 196 In a third tribe the sori occupy the whole of the under surface of the frond.

1857 T. Moore Handbk. Brit. Ferns (ed. 3) 8 The part of the vein on which the sorus is seated.

1876 J. Harley Royle's Man. Materia Med. (ed. 6) 360 Sori elliptical, imbedded in the substance of the thallus, concave on one side.

2. A similar formation in algæ, lichens, or fungi.

ΘΚΠ

the world > plants > part of plant > reproductive part(s) > spore or sporule > [noun] > parts of or related to > spore-case > cluster of spore-cases

sorus1842

1842 Penny Cycl. XXII. 266/2 The term sorus is some~times applied to mere collections of spores or granules, as seen in many Algæ, of which Delesseria alata and D. sinuosa are examples.

1874 M. C. Cooke Fungi 38 The pustules, or sori, break through the cuticle in a similar manner.

This entry has not yet been fully updated (first published 1913; most recently modified version published online March 2022).

单词	sorus
释义	sorusn. Brit. /ˈsɔːrəs/, U.S. /ˈsɔrəs/ Forms: Plural sori /ˈsɔəraɪ/. Etymology: modern Latin, < Greek σωρός heap. 1. Botany. A cluster of capsules or spore-cases on the under surface of fern-leaves. ΘΚΠ the world > plants > particular plants > ferns > [noun] > parts of crooka1398 brake-root1626 indusium1807 membranula1821 sorus1832 foot1862 crosier1874 fruit-dot1880 fiddle-head1882 saddle1882 fern-cup1888 stomium1905 annulus- 1832 J. Lindley Introd. Bot. i. iii. 196 In a third tribe the sori occupy the whole of the under surface of the frond. 1857 T. Moore Handbk. Brit. Ferns (ed. 3) 8 The part of the vein on which the sorus is seated. 1876 J. Harley Royle's Man. Materia Med. (ed. 6) 360 Sori elliptical, imbedded in the substance of the thallus, concave on one side. 2. A similar formation in algæ, lichens, or fungi. ΘΚΠ the world > plants > part of plant > reproductive part(s) > spore or sporule > [noun] > parts of or related to > spore-case > cluster of spore-cases sorus1842 1842 Penny Cycl. XXII. 266/2 The term sorus is some~times applied to mere collections of spores or granules, as seen in many Algæ, of which Delesseria alata and D. sinuosa are examples. 1874 M. C. Cooke Fungi 38 The pustules, or sori, break through the cuticle in a similar manner. This entry has not yet been fully updated (first published 1913; most recently modified version published online March 2022). < n.1832
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