Stem and caudex anatomy of succulent plant species Author Romero, Giovanna E. Herbario QCA, Escuela de Biología, Facultad de Ciencias Exactas y Naturales, Pontificia Universidad Católica del Ecuador, Av. 12 de octubre 3746 y Patria, Quito (Ecuador) giovanna.e.romero.v@gmail.com text Adansonia 2022 3 2022-03-22 44 10 81 90 journal article 20104 10.5252/adansonia2022v44a10 56d0d276-198d-4ad7-b759-33828acb9da3 1639-4798 6391329

TABLE 1. — Wood characteristics of stem and caudex in ten succulent plant species.Percentage of axial matrix vs radial matrix. Wood thickness measured from the beginning of the vascular cambium.Abbreviations: S, stem; C, caudex; Pa, parenchymatous wood; F, fibrous wood; NA, not applicable; A, absent; P, present. All measurements are in micrometers (µm) unless stated otherwise.

Taxa	Stem (S) Caudex (C)	Presence/ absence Wood		Axial matrix ~ (%)	Radial matrix ~ (%)	Wood thickness (µm)	Single Successive continuous cambium cambium
GENTIANALES / APOCYNACEAE
Adenium obesum (Forssk.) Roem. & Schult.	S C	P P	NA F	NA 73	NA 27	NA 4493	A A	P P
Ceropegia africana R. Br.	S C	P P	NA Pa	NA 13	NA 87	NA 2405	A P	A A
CUCURBITALES / CUCURBITACEAE
Momordica rostrata Zimm.	S C	P P	Pa Pa	27 33	73 67	2911 3417	P P	A A
MALPIGHIALES / EUPHORBIACEAE
Jatropha curcas L.	S C	P P	NA F	NA 64	NA 36	NA 2531	A A	P P
Jatropha macrantha Müll. Arg.	S C	P A	F A	63 NA	37 NA	1060 NA	A NA	P NA
GERANIALES / GERANIACEAE
Pelargonium carnosum (L.) L’Hér.	S C	P A	PF A	58 NA	42 NA	949 NA	A NA	P NA
BRASSICALES / MORINGACEAE
Moringa drouhardii Jum.	S C	P A	F A	88 NA	12 NA	2025 NA	A NA	P NA
OXALIDALES / OXALIDACEAE
Oxalis megalorrhiza Jacq.	S C	P A	Pa NA	44 NA	56 NA	1645 NA	A NA	P NA
MALPIGHIALES / PASSIFLORACEAE
Adenia glauca Schinz	S C	P P	Pa Pa	39 27	61 73	506 6835	A P	P A
VITALES / VITACEAE
Cyphostemma juttae (Dinter & Gilg) Desc.	S C	P P	Pa Pa	15 14	85 86	2278 7848	A A	P P