familyMyrtaceae
genusMyrtus

Difference between revisions of "Myrtus"

Linnaeus

Sp. Pl. 1: 471. 1753.

Common names: Myrtle
Etymology: Classical name for a species of myrtle
Treatment appears in FNA Volume 10.
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--><span class="statement" id="st-undefined" data-properties=""><b>Shrubs </b>or trees, usually glabrous or glabrate, hairs simple, whitish. <b>Leaves</b> usually opposite or whorled; blade venation brochidodromous, obscure. <b>Inflorescences</b> 1-flowered, axillary, flowers solitary. <b>Flowers</b> 5-merous, pedicellate; hypanthium obconic; calyx lobes persisting after anthesis, distinct, small tears sometimes forming between lobes; petals whitish; stamens 100–200; ovary 2- or 3-locular, septum often incomplete centrally to apically; placenta axile, not protruding, <i>V<i/>- to <i>O<i/>-shaped; ovules 22–34 per locule, 2-seriate. <b>Fruits</b> berries, bluish purple (pulp whitish), subglobose. <b>Seeds</b> 8–20, somewhat flattened, <i>C<i/>-shaped to coiled; outer rim of seed coat hard and shiny, central portion often soft, external portion a few cells thick, not notably dense, easily broken; embryo <i>C<i/>-shaped, cylindrical; cotyledons linear, ca. 1/2 as long as embryo. <b>x</b> = 11.</span><!--
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--><span class="statement" id="st-undefined" data-properties=""><b>Shrubs </b>or trees, usually glabrous or glabrate, hairs simple, whitish. <b>Leaves</b> usually opposite or whorled; blade venation brochidodromous, obscure. <b>Inflorescences</b> 1-flowered, axillary, flowers solitary. <b>Flowers</b> 5-merous, pedicellate; hypanthium obconic; calyx lobes persisting after anthesis, distinct, small tears sometimes forming between lobes; petals whitish; stamens 100–200; ovary 2- or 3-locular, septum often incomplete centrally to apically; placenta axile, not protruding, <i>V</i>- to <i>O</i>-shaped; ovules 22–34 per locule, 2-seriate. <b>Fruits</b> berries, bluish purple (pulp whitish), subglobose. <b>Seeds</b> 8–20, somewhat flattened, <i>C</i>-shaped to coiled; outer rim of seed coat hard and shiny, central portion often soft, external portion a few cells thick, not notably dense, easily broken; embryo <i>C</i>-shaped, cylindrical; cotyledons linear, ca. 1/2 as long as embryo. <b>x</b> = 11.</span><!--
  
 
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|publication year=1753
 
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|source xml=https://xjsachs2@bitbucket.org/aafc-mbb/fna-data-curation.git/src/e39f0e846f172941159b2045254d62d10d9823f6/coarse_grained_fna_xml/V10/V10_746.xml
 
|genus=Myrtus
 
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Latest revision as of 10:33, 9 May 2022

Shrubs or trees, usually glabrous or glabrate, hairs simple, whitish. Leaves usually opposite or whorled; blade venation brochidodromous, obscure. Inflorescences 1-flowered, axillary, flowers solitary. Flowers 5-merous, pedicellate; hypanthium obconic; calyx lobes persisting after anthesis, distinct, small tears sometimes forming between lobes; petals whitish; stamens 100–200; ovary 2- or 3-locular, septum often incomplete centrally to apically; placenta axile, not protruding, V- to O-shaped; ovules 22–34 per locule, 2-seriate. Fruits berries, bluish purple (pulp whitish), subglobose. Seeds 8–20, somewhat flattened, C-shaped to coiled; outer rim of seed coat hard and shiny, central portion often soft, external portion a few cells thick, not notably dense, easily broken; embryo C-shaped, cylindrical; cotyledons linear, ca. 1/2 as long as embryo. x = 11.

Distribution

Introduced; s Europe, n Africa.

Discussion

Species 1 or 2 (1 in the flora).

Selected References

None.

Lower Taxa