Difference between revisions of "Malvaceae subfam. Sterculioideae"
Outlines Bot., 821, 1119. 1835.
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|distribution=Asia;Pacific Islands;Australia;pantropical. | |distribution=Asia;Pacific Islands;Australia;pantropical. | ||
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|discussion=<p>Genera ca. 12, species ca. 400 (2 genera, 2 species in the flora).</p><!-- | |discussion=<p>Genera ca. 12, species ca. 400 (2 genera, 2 species in the flora).</p><!-- | ||
--><p>Genera in Sterculioideae historically have been recognized as a morphological group (H. W. Schott and S. L. Endlicher 1832; A. L. Takhtajan 1997; P. Wilkie et al. 2006) due to the presence of mostly unisexual flowers with androgynophores and without petals. Individually, these elements are found throughout <i>Malvaceae</i>; their combination is exclusive to Sterculioideae. Generic relationships within Sterculioideae are complicated. <i>Firmiana</i> is closely related to Hildegardia Schott & Endlicher and, as currently circumscribed, is not monophyletic (Wilkie et al.).</p> | --><p>Genera in Sterculioideae historically have been recognized as a morphological group (H. W. Schott and S. L. Endlicher 1832; A. L. Takhtajan 1997; P. Wilkie et al. 2006) due to the presence of mostly unisexual flowers with androgynophores and without petals. Individually, these elements are found throughout <i>Malvaceae</i>; their combination is exclusive to Sterculioideae. Generic relationships within Sterculioideae are complicated. <i>Firmiana</i> is closely related to Hildegardia Schott & Endlicher and, as currently circumscribed, is not monophyletic (Wilkie et al.).</p> | ||
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|publication year=1835 | |publication year=1835 | ||
|special status=Introduced | |special status=Introduced | ||
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|subfamily=Malvaceae subfam. Sterculioideae | |subfamily=Malvaceae subfam. Sterculioideae | ||
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Latest revision as of 23:20, 5 November 2020
Trees [shrubs]. Leaf blades unlobed or lobed, ultimate margins entire or serrate. Inflorescences axillary or terminal, paniculate [racemose]. Flowers usually functionally unisexual, rarely bisexual; epicalyx absent; sepals persistent or late-deciduous, (4–)5(–8), connate, petaloid, nectaries usually at base on adaxial surface, sometimes absent; petals absent; androgynophore present; stamens [4–]10–30, basally connate; anthers 2-thecate; staminodes absent; gynoecium apocarpous. Fruits follicles [nuts]. Seeds 1–22[–144], glabrous or hairy.
Distribution
Introduced; Asia, Pacific Islands, Australia, pantropical.
Discussion
Genera ca. 12, species ca. 400 (2 genera, 2 species in the flora).
Genera in Sterculioideae historically have been recognized as a morphological group (H. W. Schott and S. L. Endlicher 1832; A. L. Takhtajan 1997; P. Wilkie et al. 2006) due to the presence of mostly unisexual flowers with androgynophores and without petals. Individually, these elements are found throughout Malvaceae; their combination is exclusive to Sterculioideae. Generic relationships within Sterculioideae are complicated. Firmiana is closely related to Hildegardia Schott & Endlicher and, as currently circumscribed, is not monophyletic (Wilkie et al.).
Lower Taxa
Key
| 1 | Follicles woody; seeds hairy. | Brachychiton |
| 1 | Follicles chartaceous; seeds glabrous. | Firmiana |