Difference between revisions of "Holmgrenanthe"
Syst. Bot. Monogr. 5: 54, fig. 24. 1985.
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|discussion=<p>Species 1.</p><!-- | |discussion=<p>Species 1.</p><!-- | ||
--><p><i>Holmgrenanthe</i> is defined by characteristics unique or uncommon in Antirrhineae: cespitose habit, leaves and sepals with spinulose margins, a one-locular ovary with a T-shaped septum, and foveolate, pyramidal seeds. Based on its morphological distinctness, <i>Holmgrenanthe</i> has been recognized as monotypic since its delimitation (D. A. Sutton 1988; E. Fischer 2004). In phylogenetic studies based on morphological data, <i>H. petrophila</i> is basal to other genera (M. Ghebrehiwet et al. 2000) or is part of an unresolved basal trichotomy among genera (W. J. Elisens 1985) within the Maurandya clade (Maurandyinae). Bayesian and maximum likelihood analyses of nuclear ITS data in Antirrhineae (M. Fernández-Mazuecos et al. 2013) placed <i>Holmgrenanthe</i> in a <i>Cymbalaria</i> clade comprising two subclades, one including <i>Holmgrenanthe</i> and six other genera in subtribe Maurandyinae and the other Asarina and <i>Cymbalaria</i>.</p> | --><p><i>Holmgrenanthe</i> is defined by characteristics unique or uncommon in Antirrhineae: cespitose habit, leaves and sepals with spinulose margins, a one-locular ovary with a T-shaped septum, and foveolate, pyramidal seeds. Based on its morphological distinctness, <i>Holmgrenanthe</i> has been recognized as monotypic since its delimitation (D. A. Sutton 1988; E. Fischer 2004). In phylogenetic studies based on morphological data, <i>H. petrophila</i> is basal to other genera (M. Ghebrehiwet et al. 2000) or is part of an unresolved basal trichotomy among genera (W. J. Elisens 1985) within the Maurandya clade (Maurandyinae). Bayesian and maximum likelihood analyses of nuclear ITS data in Antirrhineae (M. Fernández-Mazuecos et al. 2013) placed <i>Holmgrenanthe</i> in a <i>Cymbalaria</i> clade comprising two subclades, one including <i>Holmgrenanthe</i> and six other genera in subtribe Maurandyinae and the other Asarina and <i>Cymbalaria</i>.</p> | ||
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| − | |distribution= | + | |distribution=Calif. |
|reference=None | |reference=None | ||
|publication title=Syst. Bot. Monogr. | |publication title=Syst. Bot. Monogr. | ||
|publication year=1985 | |publication year=1985 | ||
|special status=Endemic;Conservation concern | |special status=Endemic;Conservation concern | ||
| − | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/ | + | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f6b125a955440c0872999024f038d74684f65921/coarse_grained_fna_xml/V17/V17_95.xml |
|genus=Holmgrenanthe | |genus=Holmgrenanthe | ||
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-->[[Category:Treatment]][[Category:Plantaginaceae]] | -->[[Category:Treatment]][[Category:Plantaginaceae]] | ||
Revision as of 18:32, 24 September 2019
Herbs, perennial; caudex woody. Stems erect, hairy. Leaves cauline, alternate; petiole present; blade not fleshy, leathery, margins spinulose. Inflorescences axillary, flowers solitary; bracts absent. Pedicels present; bracteoles absent. Flowers bisexual; sepals 5, distinct, lanceolate, calyx radially symmetric, urceolate; corolla pale yellow, bilaterally symmetric, weakly bilabiate, tubular, tube base not spurred or gibbous, lobes 5, abaxial 3, adaxial 2; stamens 4, basally adnate to corolla, didynamous, filaments glandular-hairy; staminode 1, filamentous; ovary 1-locular, placentation axile; stigma conical. Fruits capsules, dehiscence loculicidal. Seeds 30–70, tan, polygonal-pyramidal, wings absent.
Discussion
Species 1.
Holmgrenanthe is defined by characteristics unique or uncommon in Antirrhineae: cespitose habit, leaves and sepals with spinulose margins, a one-locular ovary with a T-shaped septum, and foveolate, pyramidal seeds. Based on its morphological distinctness, Holmgrenanthe has been recognized as monotypic since its delimitation (D. A. Sutton 1988; E. Fischer 2004). In phylogenetic studies based on morphological data, H. petrophila is basal to other genera (M. Ghebrehiwet et al. 2000) or is part of an unresolved basal trichotomy among genera (W. J. Elisens 1985) within the Maurandya clade (Maurandyinae). Bayesian and maximum likelihood analyses of nuclear ITS data in Antirrhineae (M. Fernández-Mazuecos et al. 2013) placed Holmgrenanthe in a Cymbalaria clade comprising two subclades, one including Holmgrenanthe and six other genera in subtribe Maurandyinae and the other Asarina and Cymbalaria.
Selected References
None.