Croton carajasensis, a new species from Serra dos Carajás, Pará, Brazilian Amazon Author Sodré, Rodolfo Carneiro Programa de Pós-graduação em Biologia Vegetal, Departamento de Botânica, Instituto de Biociências, Universidade Estadual Paulista “ Júlio de Mesquita Filho ”, 18618 - 970, Botucatu, SP, Brazil. Author Secco, Ricardo De S. Coordenação de Botânica, Museu Paraense Emílio Goeldi, 66077 - 830, Belém, PA, Brazil. text Phytotaxa 2023 2023-12-14 630 2 133 141 https://phytotaxa.mapress.com/pt/article/download/phytotaxa.630.2.4/51368 journal article 282357 10.11646/phytotaxa.630.2.4 11e4604c-37af-4a92-8ffd-65c8bb2f42c0 1179-3163 10376947

TABLE 1. Comparative morphology of Croton carajasensis and related species.

Character	C. abaitensis	C. adamantinus	C. carajasensis	C. harleyi	C. ramosissimus
Branching pattern	Dichotomies and trichotomies	Dichotomies and trichotomies	Alternate	Alternate	Alternate
Length of pair of basal foliar veins	Exceeding half the length of the blade	Up to half the length of the blade	Up to half the length of the blade	Up to 1/3 the length of the blade	Up to half the length of the blade
Basilaminar nectaries	Stipitate-patelliform	Stipitate-patelliform	Cupuliform	Cylindric	Patelliform or absent
Leaf margins	Serrate or crenate	Doubly serrate, serrulate or erose	Serrate or crenate	Serrulate	Serrate or doubly serrate
Length of staminate sepals	1.5−2.2 mm	1.9–2.1 mm	2.5–3 mm	2–3 mm	1.5–2 mm
Length of staminate petals	2.1−2.8 mm	1.8–2.2 mm	3–4.5 mm	3–4 mm	1.9–2.5 mm
Length of stamens	3.5−4 mm	2–3 mm	4.5–6 mm	2.5–5 mm	3–3.7 mm
Pistillate sepals symmetry	Unequal	Equal	Unequal	Equal	Equal
Pistillate sepals shape	Obovate, ovate or suborbicular	Ovate to elliptic	Obovate, oblong or elliptic	Ovate to elliptic	Ovate or ovallanceolate
Pistillate sepals margin	Plane	Plane	Plane	Revolute	Plane
Capsule shape	Subglobose	Subglobose	Subglobose	Subglobose	Oblongoid
Capsule diameter	4.5–4.8 mm	6–8 mm	5.5–7.5 mm	5–6 mm	4.3–5.2 mm
Distribution	Cerrado domain (DF, GO, MG, MS, MT, TO)	Caatinga domain (BA, CE, MG, PB, PE, PI, RN, SE)	Amazonian domain (PA)	Caatinga domain (BA, PE, PI, RN)	Cerrado domain (DF, GO, MG)