Difference between revisions of "Exochorda"

Lindley

Gard. Chron. 1858: 925. 1858.

Common names: Pearlbrush
Introduced
Etymology: Greek exo -, outside, and chorde, string, alluding to free placentary cords external to carpels
Treatment appears in FNA Volume 9. Treatment on page 384. Mentioned on page 385.
FNA>Volume Importer
 
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|distribution=Asia;introduced also in Europe;Australia.
 
|distribution=Asia;introduced also in Europe;Australia.
 
|discussion=<p>Species 4 (1 in the flora).</p><!--
 
|discussion=<p>Species 4 (1 in the flora).</p><!--
--><p>Species of Exochorda are attractive, spring-flowering shrubs with racemes of showy, white flowers, and are commonly planted.</p>
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--><p>Species of <i>Exochorda</i> are attractive, spring-flowering shrubs with racemes of showy, white flowers, and are commonly planted.</p>
 
|tables=
 
|tables=
 
|references=
 
|references=
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|publication year=1858
 
|publication year=1858
 
|special status=Introduced
 
|special status=Introduced
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/9216fc802291cd3df363fd52122300479582ede7/coarse_grained_fna_xml/V9/V9_640.xml
+
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/8f726806613d60c220dc4493de13607dd3150896/coarse_grained_fna_xml/V9/V9_640.xml
 
|subfamily=Rosaceae subfam. Amygdaloideae
 
|subfamily=Rosaceae subfam. Amygdaloideae
 
|tribe=Rosaceae tribe Exochordeae
 
|tribe=Rosaceae tribe Exochordeae

Revision as of 18:18, 18 September 2019

Shrubs, to 30(–50) dm. Stems 1–20+, spreading to erect; bark brown to gray-brown on branches, not exfoliating; short shoots absent; glabrous or sparsely hairy in early season. Leaves deciduous, cauline, alternate; stipules usually absent; petiole present, sometimes relatively short; blade elliptic or oblong to oblong-obovate, 1.5–4.4(–6)[–9] cm, membranous, margins flat, entire or serrate in distal 1/2, surfaces glabrous or hairy. Inflorescences terminal, 4–10-flowered, racemes, axes glabrous or sparsely hairy prior to expansion of flowers; bracts present; bracteoles present. Pedicels present. Flowers bisexual (plants synoecious), appearing with leaves, 25–50 mm diam.; hypanthium shallowly campanulate to obturbinate, 3.5–4.2 mm, glabrous; sepals 5, ascending, triangular to broad-triangular or semiorbiculate; petals 5, white, [oblong] obovate to suborbiculate, base clawed; stamens 15–20[–30], shorter than petals; torus absent; carpels 5, connate, glabrous, styles 5; ovules 1 or 2. Fruits capsules, semicircular in outline, shorter than wide or as tall as wide in side view, 6–10[–15] mm, glabrous; hypanthium not persistent; sepals not persistent. Seeds 1 or 2 per capsule, winged. x = 8.

Distribution

Asia, introduced also in Europe, Australia.

Discussion

Species 4 (1 in the flora).

Species of Exochorda are attractive, spring-flowering shrubs with racemes of showy, white flowers, and are commonly planted.

Selected References

None.

Lower Taxa