Fruit Anatomy of the Canarieae (Burseraceae)

Fruits historically have been the key character for delimitation of tribes in the Burseraceae. However, fruit structure is incompletely known within the family, thus the importance of this character is unclear. This study of fruit anatomy in the traditional tribe Canarieae examines the distribution...

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Main Author: María C. Martínez-Habibe
Format: Article
Language:English
Published: MDPI AG 2022-01-01
Series:Plants
Subjects:
Online Access:https://www.mdpi.com/2223-7747/11/3/253
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author María C. Martínez-Habibe
author_facet María C. Martínez-Habibe
author_sort María C. Martínez-Habibe
collection DOAJ
description Fruits historically have been the key character for delimitation of tribes in the Burseraceae. However, fruit structure is incompletely known within the family, thus the importance of this character is unclear. This study of fruit anatomy in the traditional tribe Canarieae examines the distribution of the tissues that correspond to the exo-, meso-, and endocarp. The detailed arrangement and measurement of the tissues are reported here for the first time in all eight genera in the tribe. The evidence suggests that in all cases except <i>Pseudodacryodes</i>, the endocarp has at least one layer of parenchyma cells within which a sclereid layer is evident and, in some cases, an inner epidermis. All Canarieae fruits exhibit secretory canals, and some taxa have epidermal glands with resin-like contents. Evidence of carpellar sutures was found for all Canarieae, and in <i>Dacryodes</i>, <i>Haplolobus</i>, <i>Rosselia</i>, and <i>Santiria</i>, an articulated plate is present that corresponds to an abortive locule. The anatomical and morphological characters presented here are useful in delimiting genera within Canarieae.
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spelling doaj.art-d2b6ae5706c64a4986c19690dafd51132023-11-23T17:28:52ZengMDPI AGPlants2223-77472022-01-0111325310.3390/plants11030253Fruit Anatomy of the Canarieae (Burseraceae)María C. Martínez-Habibe0Chemistry and Biology Department, Universidad del Norte, Barranquilla 08001, ColombiaFruits historically have been the key character for delimitation of tribes in the Burseraceae. However, fruit structure is incompletely known within the family, thus the importance of this character is unclear. This study of fruit anatomy in the traditional tribe Canarieae examines the distribution of the tissues that correspond to the exo-, meso-, and endocarp. The detailed arrangement and measurement of the tissues are reported here for the first time in all eight genera in the tribe. The evidence suggests that in all cases except <i>Pseudodacryodes</i>, the endocarp has at least one layer of parenchyma cells within which a sclereid layer is evident and, in some cases, an inner epidermis. All Canarieae fruits exhibit secretory canals, and some taxa have epidermal glands with resin-like contents. Evidence of carpellar sutures was found for all Canarieae, and in <i>Dacryodes</i>, <i>Haplolobus</i>, <i>Rosselia</i>, and <i>Santiria</i>, an articulated plate is present that corresponds to an abortive locule. The anatomical and morphological characters presented here are useful in delimiting genera within Canarieae.https://www.mdpi.com/2223-7747/11/3/253articulated plateBurseraceaeCanarieaefruit anatomyresinSapindales
spellingShingle María C. Martínez-Habibe
Fruit Anatomy of the Canarieae (Burseraceae)
Plants
articulated plate
Burseraceae
Canarieae
fruit anatomy
resin
Sapindales
title Fruit Anatomy of the Canarieae (Burseraceae)
title_full Fruit Anatomy of the Canarieae (Burseraceae)
title_fullStr Fruit Anatomy of the Canarieae (Burseraceae)
title_full_unstemmed Fruit Anatomy of the Canarieae (Burseraceae)
title_short Fruit Anatomy of the Canarieae (Burseraceae)
title_sort fruit anatomy of the canarieae burseraceae
topic articulated plate
Burseraceae
Canarieae
fruit anatomy
resin
Sapindales
url https://www.mdpi.com/2223-7747/11/3/253
work_keys_str_mv AT mariacmartinezhabibe fruitanatomyofthecanarieaeburseraceae