Ferula sommieriana (Apiaceae), a new species from Pelagie Islands (Sicily) Author Cambria, Salvatore 0000-0002-3828-1552 Dipartimento di Scienze Biologiche, Geologiche e Ambientali, Università di Catania, Via A. Longo 19, I - 95125 Catania, Italy & cambria _ salvatore @ yahoo. it; https: // orcid. org / 0000 - 0002 - 3828 - 1552 cambria_salvatore@yahoo.it Author Brullo, Cristian 0000-0001-5764-0808 Department of Agricultural, Food and Forest Sciences, University of Palermo, Viale delle Scienze, 5, 90128 Palermo, Italy & cbrullo @ tiscali. it; https: // orcid. org / 0000 - 0001 - 5764 - 0808 cbrullo@tiscali.it Author Tavilla, Gianmarco 0000-0002-4634-6440 Dipartimento di Scienze Biologiche, Geologiche e Ambientali, Università di Catania, Via A. Longo 19, I - 95125 Catania, Italy & gianmarco. tavilla @ phd. unict. it; https: // orcid. org / 0000 - 0002 - 4634 - 6440 gianmarco.tavilla@phd.unict.it Author Sciandrello, Saverio 0000-0003-1132-5698 Dipartimento di Scienze Biologiche, Geologiche e Ambientali, Università di Catania, Via A. Longo 19, I - 95125 Catania, Italy & s. sciandrello @ unict. it; https: // orcid. org / 0000 - 0003 - 1132 - 5698 s.sciandrello@unict.it Author Minissale, Pietro 0000-0002-4047-4169 Dipartimento di Scienze Biologiche, Geologiche e Ambientali, Università di Catania, Via A. Longo 19, I - 95125 Catania, Italy & p. minissale @ unict. it; https: // orcid. org / 0000 - 0002 - 4047 - 4169 p.minissale@unict.it Author Galdo, Gianpietro Giusso Del 0000-0003-4719-3711 Dipartimento di Scienze Biologiche, Geologiche e Ambientali, Università di Catania, Via A. Longo 19, I - 95125 Catania, Italy & g. giusso @ unict. it; https: // orcid. org / 0000 - 0003 - 4719 - 3711 g.giusso@unict.it Author Brullo, Salvatore 0000-0003-2568-7278 Dipartimento di Scienze Biologiche, Geologiche e Ambientali, Università di Catania, Via A. Longo 19, I - 95125 Catania, Italy & salvo. brullo @ gmail. com; https: // orcid. org / 0000 - 0003 - 2568 - 7278 salvo.brullo@gmail.com text Phytotaxa 2021 2021-11-15 525 2 89 108 journal article 3504 10.11646/phytotaxa.525.2.1 8a5afe06-fbde-4eaa-bed2-cd9d5d8365de 1179-3163 5701858

TABLE 1. Main diacritic features of the species belonging to subg. Ferula, sect. Ferula..

Character	F. communis	F. glauca	F. sommeriana	F. melitensis	F. arrigonii	F. loscosii	F. linkii	F. tingitana	F. tunetana	F. sinaica	F.
											marmarica
Stem height (cm)	150–300	100–200	50–120	100–250	80–150	40–100(130)	up to 300	100–200	150	(40) 80–100	80–150
Leaf shape and	sub-opaque	shining green	shining green	shining green	shining	green	green	shining	shining	glaucescens	green
color	green	adaxial,			green		glaucos	green	green		adaxial, pale
		glaucos						glaucos	glacous		green abaxial
		abaxial
Leaf blades	rhombic	triangular	triangular	rhombic	triangular	triangular	rhombic	rhombic	triangular	triangular-	rhombic
outline										ovate
Leaf blade lenght	100	40–60	18–70	20–50	20–40	40–50	20–50	40–60	15–40	8–20	up to 20
(cm)
Leaf	glabrous	glabrous	scabrous-	glabrous	glabrous	glabrous	glabrous	glabrous	glabrous	glabrous	glabrous
indumentum			hispidulous					or rar.	to slightly
								scabridulous	scabrous
Leaf pinnation	4–5	3	5–6	3–4	2–3	5–6(7)	5–6	3–4(5)	3–5	3–4	4
Leaf segments	20–40(50) x	5–10(30) x	0.5–5 x 0.5–1	(1)3–15 x	2–10 x	0.5–2(4) x	1.2–5 x	2–6 x 1.5–2	1–2 (5) x	3–10 x	0.5–2 x
size (mm)	0.4–1	1–2(3)		1.3–1.5	0.8–1.1	0.4–0.7(1)	0.5–0.6		1–1.3	0.5–2	0.5–1
Hermaphrodite	12–26(50)	25–40	10–30	16–28	16–18	7–14(20)	16–28	8–16(22)	10–15	7–12	6–11
umbel rays
number
Hermaphrodite	(13)22–45	10–30	15–40	20–30	15–30	37–66(90)	20–35	22–35	25–45	18–45	26–32
umbels rays
lenght (mm)
Staminate	14–20	13–18	10–25	18	<20	6–10	14–18	16–18	9–12	13–30	7–10
umbels rays
number
Staminate	5–9(13)	10–15	5–24	10–20	15–30	16–27	8–14	4–6	10–15	6–11	12–16
umbels rays
lenght (mm)
Mericarp shape	obovate to	elliptical	rounded to	rounded to	obovate-	elliptical	elliptical	elliptical	elliptical to	elliptical to	rounded to
	obovate-		rounded-oblong	rounded-oblong	oblong to				rounded	orbicular	obovate
	elliptical				elliptical
Mericarp size	(11)13–17 x	13–15 x 7–8	9–16 x 8–14	11–14 x 9–11	7–10 x 3–6	6.5–11 x	10–13 x	8–15 x 6–8	12–18 x	8–12 x 6–8	6–8 x 4–6
(mm)	7–11					5–6.5	6.5–8.5		12–14
Mericarp wings	1.7–2.5	1–1.2	1–1.6	1.5–2	0.5–1	0.5–1	1.2–1.7	0.25–1	1.6–2	0.7–1	0.5–0.8
width (mm)
Vittae per	1–3	3–4	2–3	1–4	1–3	2–4	2–3	3	3	2–3	1–3
valecula
Commissural	2–4	4–6	4–6	6–8	4–5	8–10(12)	4–6	4–6	4	4	5–6
vittae