familyAristolochiaceae
Show Lower Taxa
Difference between revisions of "Aristolochiaceae"
Common names: Dutchman's-Pipe Family
Treatment appears in FNA Volume 3. Treatment on page 44.
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| − | --><span class="statement" id="st- | + | --><span class="statement" id="st-undefined" data-properties=""><b>Herbs </b>or lianas [shrubs, rarely trees], deciduous or evergreen, often aromatic. <b>Wood</b> with broad medullary rays. <b>Leaves</b> alternate, simple, petiolate. <b>Leaf</b> blade unlobed, margins entire. <b>Inflorescences</b> terminal or axillary, racemes or solitary flowers, rarely fan-shaped cymes. <b>Flowers</b> bisexual; calyx enlarged, petaloid, usually tubular, [1-,] 3-, [6-, rarely 5-]merous, lobes valvate; corolla usually reduced to scales or absent; stamens 5, 6, or 12 [multiples of 3 or 5], free or adnate to styles and stigmas, forming gynostemium; anthers extrorse; pistil 1, 4-6-carpellate; ovary inferior, partly inferior, or superior; placentation axile (and ovaries 4-6-locular) or parietal; ovules many per locule, anatropous. <b>Fruits</b> capsules [follicles], regularly to irregularly loculicidal, rarely indehiscent [septicidal]. <b>Seeds</b> often flattened; endosperm copious.</span><!-- |
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| − | |distribution=Primarily pantropical and subtropical | + | |distribution=Primarily pantropical and subtropical. |
|discussion=<p>Genera 5, species ca. 600 (3 genera, 28 species in the flora).</p> | |discussion=<p>Genera 5, species ca. 600 (3 genera, 28 species in the flora).</p> | ||
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name=Aristolochiaceae | name=Aristolochiaceae | ||
| − | |author=Kerry Barringer Alan T. Whittemore | + | |author=Kerry Barringer;Alan T. Whittemore |
|authority=Jussieu | |authority=Jussieu | ||
|rank=family | |rank=family | ||
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|family=Aristolochiaceae | |family=Aristolochiaceae | ||
|illustrator=John Myers | |illustrator=John Myers | ||
| − | |distribution=Primarily pantropical and subtropical | + | |illustration copyright=Flora of North America Association |
| + | |distribution=Primarily pantropical and subtropical. | ||
|reference=duchartre1864a;gregory1956a;schmidt1935a;solereder-a;solereder1889a | |reference=duchartre1864a;gregory1956a;schmidt1935a;solereder-a;solereder1889a | ||
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|publication year= | |publication year= | ||
|special status= | |special status= | ||
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V3/V3_794.xml |
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Latest revision as of 21:51, 5 November 2020
Herbs or lianas [shrubs, rarely trees], deciduous or evergreen, often aromatic. Wood with broad medullary rays. Leaves alternate, simple, petiolate. Leaf blade unlobed, margins entire. Inflorescences terminal or axillary, racemes or solitary flowers, rarely fan-shaped cymes. Flowers bisexual; calyx enlarged, petaloid, usually tubular, [1-,] 3-, [6-, rarely 5-]merous, lobes valvate; corolla usually reduced to scales or absent; stamens 5, 6, or 12 [multiples of 3 or 5], free or adnate to styles and stigmas, forming gynostemium; anthers extrorse; pistil 1, 4-6-carpellate; ovary inferior, partly inferior, or superior; placentation axile (and ovaries 4-6-locular) or parietal; ovules many per locule, anatropous. Fruits capsules [follicles], regularly to irregularly loculicidal, rarely indehiscent [septicidal]. Seeds often flattened; endosperm copious.
Distribution
Primarily pantropical and subtropical.
Discussion
Genera 5, species ca. 600 (3 genera, 28 species in the flora).
Selected References
Lower Taxa
Illustrations
Key
| 1 | Calyx bilaterally symmetric, usually bent or curved; ovary inferior; stems erect, twining, or procumbent. | Aristolochia |
| 1 | Calyx radially symmetric, straight; ovary inferior, partly inferior, or superior; stems rhizomatous. | > 2 |
| 2 | Sepals distinct; anthers each with prominent terminal appendage; styles connate in column; ovary inferior. | Asarum |
| 2 | Sepals connate for most of length; anthers without terminal appendages; styles distinct (except sometimes at extreme base); ovary superior or ca. 1/3-inferior. | Hexastylis |
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