Blüten-biologische und-morphologische Beobachtungen

Schmucker, Th.

doi:10.1007/bf01913445

Cited by 12 publications

(6 citation statements)

References 2 publications

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“…Salvia jurisicii (Schmucker 1929;Turrill 1929). However, with a pedicel of often less than 1 mm in E. brightoniae, we have so far been unable to confi rm such torsion.…”

Section: Resultsmentioning

confidence: 99%

“…Resupination is especially well known in orchids, but a number of families of the Lamiales also have some resupinate-flowered species (Clark & Zimmer 2003;Clark et al 2006;Endress 2012). In the Lamiaceae, Salvia jurisicii, from Balkan Peninsula has resupinate flowers, where the pedicels twist through 180° as the flowers open (Schmucker 1929;Turrill 1929;Hill 1939;Classen-Bockhoff et al 2004). Two Mexican species of Salvia, S. gravida and S. vazquezii also have resupinate flowers.…”

Section: Resultsmentioning

confidence: 99%

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Resupinate Dimorphy, a novel pollination strategy in two-lipped flowers of Eplingiella (Lamiaceae)

et al. 2017

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Th is work provides a summary of the typical fl oral structure of subtribe Hyptidinae (Lamiaceae), in which both style and stamens are declinate within or near the concave anterior corolla lobe. Cross-pollination is facilitated by protandry, acting in conjunction with the explosive release of the stamens and pollen. In contrast, we report that in the three species of the genus Eplingiella we found individuals with either resupinate or non-resupinate fl owers, which represents a novel fl oral dimorphism. In these species of Eplingiella, the style occupies a position towards the posterior corolla lip and opposes the declinate stamens. Th us, in non-resupinate fl owers the pollinating bee receives pollen on its ventral side and makes contact with the style on its dorsal side, whereas in resupinate fl owers, the bee receives pollen on its dorsal side, and contacts the style on its ventral side. Both fl oral morphs seem to be required to achieve cross-pollination. In the two populations studied, each of the two morphs is present and in similar proportions, providing a novel means of promoting cross-pollination and reducing selfi ng. Th e situation in Eplingiella is compared to some other examples of fl oral polymorphism, but appears to be a unique pollination strategy, here termed Resupinate Dimorphy.

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“…Salvia jurisicii (Schmucker 1929;Turrill 1929). However, with a pedicel of often less than 1 mm in E. brightoniae, we have so far been unable to confi rm such torsion.…”

Section: Resultsmentioning

confidence: 99%

Section: Resultsmentioning

confidence: 99%

Resupinate Dimorphy, a novel pollination strategy in two-lipped flowers of Eplingiella (Lamiaceae)

et al. 2017

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“…Information on pollinator types in Araceae was taken from reviews by Gibernau and his coworkers (Gibernau, 2003, 2011; Gibernau et al, 2010). In addition, information on pollination of Dracunculus vulgaris Schott in H. W. Schott & S. L. Endlicher was taken from Schmucker (1930) and Meeuse and Hatch (1960). Lasia spinosa (L.) Thwaites has been observed to be visited by flies in Xishuang-banna Tropical Botanical Garden, Yunnan, China (Yin J. T., personal communication).…”

Section: Methodsmentioning

confidence: 99%

Reconstructing the origin and elaboration of insect‐trapping inflorescences in the Araceae

Bröderbauer

Díaz

Weber

2012

American J of Botany

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Trap pollination in the Araceae is more common than was previously thought. Preadaptations such as papillate cells or elongated sterile flowers facilitated the evolution of inflorescence traps. In some clades, imperfect traps served as a precursor for the evolution of more elaborate traps. Traps that evolved in association with fly pollination were most probably derived from mutualistic ancestors, offering a brood-site to their pollinators.

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“…The odour released by the appendix of this plant on the first day of blooming is comparable to that of rotting flesh (SCHMUCKER 1930). The amount of indole in D-day appendix, harvested at 2 p.m., is about 0.1 fLmoles per gram fresh tissue.…”

Section: Indole In Other Arum Liliesmentioning

confidence: 98%

Production of Free Indole by Some Aroids

Chen

Meeuse

1971

Acta Botanica Neerlandica

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The production of free indole by several arum lily species(Araceae) was studied. The compound was identified by paper chromatography and thin-layer chromatography in several solvent systems, colour reactions with various reagents, enzymatic conversion to tryptophan, UV absorption spectrum, and formation of a complex with polynitrofluorenone.The presence of indole is restricted to certain floral parts and is correlated with the flowering sequence of these plants. In general, indole is present for not more than one day during the flowering cycle. In the case of Sauromatum guttatum Schott, production of indole by the appendix starts on the eve of flowering between 6 and 8 p.m, and ends about 24 hours later. At the peak of the metabolic flare-up period, about 0.3 umoles indole is present per gram fresh tissue.There is a close connection between the indole cycle and the production of heat and stench in the respiratory flare-up. Some of the indole formed is released as a constituent of the stench.

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Blüten-biologische und-morphologische Beobachtungen

Cited by 12 publications

References 2 publications

Resupinate Dimorphy, a novel pollination strategy in two-lipped flowers of Eplingiella (Lamiaceae)

Resupinate Dimorphy, a novel pollination strategy in two-lipped flowers of Eplingiella (Lamiaceae)

Reconstructing the origin and elaboration of insect‐trapping inflorescences in the Araceae

Production of Free Indole by Some Aroids

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