Spore morphology of Taenitis, Syngramma, and Austrogramme species (Pteridoideae, Pteridaceae) from South-Eastern Asia and Oceania. II

doi:10.14258/turczaninowia.24.3.3

Эндаумент фонд ТГУ!
Впиши своё имя в историю университета
- Сделать пожертвование -

Add to "Quick Collection"

Description	Size	Format
Spore morphology of Taenitis, Syngramma, and Austrogramme species (Pteridoideae, Pteridaceae) from South-Eastern Asia and Oceania. II	8 MB	Adobe Acrobat PDF	Read	Download
DOI Доступ к ресурсу на сайте издателя			10.14258/turczaninowia.24.3.3

#морфология спор

#сканирующая электронная микроскопия

#папоротники

Title: Spore morphology of Taenitis, Syngramma, and Austrogramme species (Pteridoideae, Pteridaceae) from South-Eastern Asia and Oceania. II
Title: Морфология спор Taenitis, Syngramma и Austrogramme (Pteridoideae, Pteridaceae) из Юго-Восточной Азии и Океании. II
Creator: Vaganov, Aleksey V.
|
Gureyeva, I. I.
|
Shmakov, Alexander I.
|
Kuznetsov, Alexander A.
|
Romanets, R. S.
Date: 2021
DOI: 10.14258/turczaninowia.24.3.3
Description: This paper continues consideration of the spores of three paleotropical fern genera – Taenitis, Syn-gramma, and Austrogramme (Pteridoideae, Pteridaceae) from South-Eastern Asia and Oceania. At the second stage, we carried out a comparative scanning electron microscopy study of spores of three species of Austrogramme, four species of Syngramma, and six species of Taenitis and added information about previously studied spores of seven species of these genera. Spores of all examined species are trilete, tetrahedral or tetrahedral-globose with convex to hemispherical distal side and plane, convex or conical proximal side. The spores of Austrogramme species are the smallest, simplest in ornamentation and similar to each other. Sculpture of the proximal and distal sides are microver-rucate, the surface of the spores is covered by granular deposits. Spores of most Syngramma species are very similar to spores of Austrogramme species in shape and surface sculpture: their distal and proximal surfaces are microverrucate, whereas the spores of S. borneensis and S. cartilagidens have the low-tuberculate sculpture. Spores of Taenitis species are very different from the spores of Austrogramme and Syngramma. Seven of nine studied species have spores with well-expressed cingulum (T. blechnoides, T. cordata, T. diversifolia, T. interrupta, T. luzonica, T. obtusa, and T. re -quiniana), three species (T. cordata, T. hookeri, and T. pinnata) have spores with prominent laesural ridges. The spores have well-expressed ornamentation – tuberculate, baculate, rugate, tuberculate-rugate. The most conspicuous char-acter of the ornamentation of spore surfaces is the presence of rodlets associated with sculpture elements. The dens-est rodlets are characteristic of Taenitis diversifolia, T. luzonica, T. obtusa, and T. requiniana. Spore size (equatorial diameter) ranges on average between 22 μm and 37 μm in Austrogramme, between 27 μm and 41 μm in Syngramma, and between 26 and 51 μm in Taenitis species

Relationships: Show Relationship Browser for this Object
collection(s): Институт биологии, экологии, почвоведения, сельского и лесного хозяйства (Биологический институт)
Identifier: смотреть в электронном каталоге НБ ТГУ
Type: статьи в журналах
Source: Turczaninowia. 2021. Т. 24, № 3. С. 36-51
Language: eng

Created: 06-05-2022

612 Visitors

470 Hits

155 Downloads

Институт биологии, экологии, почвоведения, сельского и лесного хозяйства (Биологический институт) Spore morphology of Taenitis, Syngramma, and Austrogramme species (Pteridoideae, Pteridaceae) from South-Eastern Asia and Oceania. II