Floral anatomy and micromorphology of Hyacinthoides italica (L.) Rothm. A case of complete stachyospory in Asparagaceæ
Abstract
Floral vasculature and gynoecium architecture were studied in Hyacinthoides italica (L.) Rothm. Each locule shelters two ovules inserted basally and surprisingly supplied by axis bundles only, while lateral bundles of the carpels branch out into strands along the epidermises of septal nectaries. We brought then to the fore an unexpected trade-off between the supply of upper ovules in H. non-scripta and that of secretory tissues in the studied species. Moreover, a new pattern of septal nectary is described, with outer and inner cavities.
References
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APG, Chase M.W., Christenhusz M.J.M., Fay M.F., Byng J.W., Judd W.S., Soltis D.E., Mabberley D.J., Sennikov A.N., Soltis P.S., Stevens P.F. 2016. An update of the Angiosperm Phylogeny Group classification for the orders and families of flowering plants: APG IV. Bot. J. Linn. Soc. 181 (1): 1–20. https://doi.org/10.1111/boj.12385
Coste H., Flahault C. 1937. Flore descriptive et illustrée de la France de la Corse et des contrées limitrophes. Tome Premier. Librairie des sciences et des arts, Paris.
Daumann E. 1970. Das Blütennektarium der Monokotyledonen unter besonderer Berücksichtigung seiner systematischen und phylogenetischen Bedeutung. Feddes Rep. 80: 463–590. https://doi.org/10.1002/fedr.19700800702
Deroin T. 2014. Vascular anatomy of the flower of Hyacinthoides non-scripta (L.) Chouard ex Rothm. A new insight about a complex placentation pattern in Asparagaceae. Mod. Phytomorphol. 5: 9–18. https://doi.org/10.5281/zenodo.160995
Dyka O.O. 2013. Morphology and vascular anatomy of the flower of Scilla bifolia L. (Hyacinthaceae). Mod. Phytomorphol. 4: 319–320. https://doi.org/10.5281/zenodo.161410 (In Ukrainian)
Fishchuk O., Odintsova A. 2014. Vertical zonality of the gynoecium in Sansevieria Thunb. and Dracaena Vand. ex L. species (Asparagaceae). Mod. Phytomorphol. 5: 221–226. https://doi.org/10.5281/zenodo.161028 (In Ukrainian)
Garland T. 2014. Trade-offs. Curr. Biol. 24: R60–R61. https://doi.org/10.1016/j.cub.2013.11.036
Gatin V.C. 1920. Recherches anatomiques sur le pédoncule et la fleur des Liliacées. Imprimerie nemourienne, Henri Bouloy, Nemours.
Gerlach D. 1984. Botanische Mikrotechnik, 3rd ed. Thieme, Stuttgart.
Grundmann M., Rumsey F.J., Ansell S.W., Russell S.J., Darwin S.C., Vogel J.C., Spencer M., Squirrell J., Hollingsworth P.M., Ortiz S., Schneider H. 2010. Phylogeny and taxonomy of the bluebell genus Hyacinthoides, Asparagaceae (Hyacinthaceae). Taxon 59: 68–82. https://doi.org/10.2307/27757052
Kubitzki K., Huber H., Rudall P.J., Stevens P.S., Stützel T. 1998. The families and genera of vascular plants III: Flowering plants – Monocotyledons. Lilianae (except Orchidaceae). Springer, Berlin. https://doi.org/10.1007/978-3-662-03533-7
Lam H. 1950. Stachyospory and phyllospory as factors in the natural system in the Cormophyta. Svensk Bot. Tidskr. 44: 517–534.
Leinfellner W. 1950. Der Bauplan des synkarpen Gynözeums. Österr. Bot. Zeitschr. 97: 403–436. http://www.jstor.org/stable/43336633
Moeliono B.M. 1970. Cauline or carpellary placentation among dicotyledons. 2 vols. Koninklijke Van Gorcum, Assen, The Netherlands.
Novikoff A.V. 2008. Floral morphology and vascular anatomy of Ornithogalum caudatum Ait. (Hyacinthaceae). Studia Biologica 2: 87–94 (In Ukrainian).
Novikoff A.V., Odintsova A. 2008. Some aspects of comparative gynoecium morphology in three brоmeliad species. Wulfenia 15: 13–24.
Novikoff A.V., Kazemirska M.A. 2012. Vascular anatomy and morphology of the flower in Fritillaria montana Hoppe (Liliaceae). Mod. Phytomorphol. 1: 27–35. https://doi.org/10.5281/zenodo.162716
Odintsova A. 2013. Vertical zonality of septal nectaries of monocots. Mod. Phytomorphol. 4: 317–318. https://doi.org/10.5281/zenodo.161409 (In Ukrainian)
Odintsova A., Fishchuk O., Sulborska A. 2013. The gynoecium structure in Dracaena fragrans (L.) Ker-Gawl., Sansevieria parva N.E. Brown and S. trifasciata Prain (Asparagaceae) with special emphasis on the structure of septal nectary. Acta Agrobot. 66: 55–64. https://doi.org/10.5586/aa.2013.051
Payer J.B. 1857. Traité d’organogénie comparée de la fleur. Victor Masson, Paris.
Van Tieghem P. 1875. Recherches sur la structure du pistil et sur l’anatomie comparée de la fleur. Mém. Prés. Divers Savants Acad. Sci. Inst. Impérial France Sér. 2 21: 1–261.
Wang X. 2010. The dawn angiosperms: uncovering the origin of flowering plants. Springer, Berlin. https://doi.org/10.1007/978-3-319-58325-9
Published
2018-07-16
How to Cite
ZALKO, Julie; DEROIN, Thierry Didier.
Floral anatomy and micromorphology of Hyacinthoides italica (L.) Rothm. A case of complete stachyospory in Asparagaceæ.
Modern Phytomorphology, [S.l.], v. 12, p. 81-93, july 2018.
ISSN 2227-9555.
Available at: <http://ojs.phytomorphology.org/index.php/MP/article/view/528>. Date accessed: 26 aug. 2018.
doi: https://doi.org/10.5281/zenodo.1313005.
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Section
Research Articles
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