Difference between revisions of "Paulowniaceae"
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--><p><i>Paulownia</i> has been allied with Bignoniaceae or Scrophulariaceae based on morphological, anatomical, and embryological evidence (D. H. Campbell 1930; J. E. Armstrong 1985). Molecular phylogenetic evidence showed that it does not belong with Bignoniaceae or Scrophulariaceae; instead it is an isolated lineage near Lamiaceae, Orobanchaceae, and Phrymaceae (R. G. Olmstead et al. 2001; B. Oxelman et al. 2005).</p> | --><p><i>Paulownia</i> has been allied with Bignoniaceae or Scrophulariaceae based on morphological, anatomical, and embryological evidence (D. H. Campbell 1930; J. E. Armstrong 1985). Molecular phylogenetic evidence showed that it does not belong with Bignoniaceae or Scrophulariaceae; instead it is an isolated lineage near Lamiaceae, Orobanchaceae, and Phrymaceae (R. G. Olmstead et al. 2001; B. Oxelman et al. 2005).</p> | ||
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name=Paulowniaceae | name=Paulowniaceae | ||
| − | |author=Craig C. Freeman; Richard K. Rabeler; Wayne J. Elisens | + | |author=Craig C. Freeman;Richard K. Rabeler;Wayne J. Elisens |
|authority=Nakai | |authority=Nakai | ||
|rank=family | |rank=family | ||
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|basionyms= | |basionyms= | ||
|family=Paulowniaceae | |family=Paulowniaceae | ||
| + | |illustrator=Yevonn Wilson-Ramsey | ||
| + | |illustration copyright=Flora of North America Association | ||
|distribution=e Asia;introduced also in Europe. | |distribution=e Asia;introduced also in Europe. | ||
|introduced=true | |introduced=true | ||
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Revision as of 19:05, 16 December 2019
Trees, not fleshy, autotrophic. Leaves deciduous [persistent], cauline, opposite, rarely in whorls of 3, simple; stipules absent; petiole present; blade not fleshy, not leathery, margins entire or shallowly 3(–5)-lobed and usually serrate to dentate on leaves of young plants. Inflorescences terminal thyrses of (1–)3–8(–11)-flowered cymes. Flowers bisexual, perianth and androecium hypogynous; sepals 5, connate, calyx bilaterally symmetric; petals 5, connate, corolla bilaterally symmetric, bilabiate, funnelform; stamens 4, proximally adnate to corolla, didynamous, staminode 0; pistil 1, 2-carpellate, ovary superior, 2-locular, placentation axile; ovules anatropous, unitegmic, tenuinucellate; style 1; stigma 1. Fruits capsules, dehiscence loculicidal. Seeds ca. 2000, brown, ellipsoid; embryo straight, endosperm present.
Distribution
e Asia, introduced also in Europe.
Discussion
Genus 1, species 7 (1 in the flora).
Paulownia has been allied with Bignoniaceae or Scrophulariaceae based on morphological, anatomical, and embryological evidence (D. H. Campbell 1930; J. E. Armstrong 1985). Molecular phylogenetic evidence showed that it does not belong with Bignoniaceae or Scrophulariaceae; instead it is an isolated lineage near Lamiaceae, Orobanchaceae, and Phrymaceae (R. G. Olmstead et al. 2001; B. Oxelman et al. 2005).
Selected References
None.
