Magnolia zoquepopolucae (subsection Talauma, Magnoliaceae), a new species from Sierra de Santa Marta, Veracruz, Mexico
Author
Vázquez-García, J. Antonio
Herbario IBUG, Instituto de Botánica, Departamento de Botánica y Zoología, Universidad de Guadalajara, Km. 15.5 carr. Guadalajara-Nogales, Las Agujas, Zapopan, Jalisco, México; email: jvazquez @ cucba. udg. mx
Author
Castro-Arce, Ernesto De
Herbario IBUG, Instituto de Botánica, Departamento de Botánica y Zoología, Universidad de Guadalajara, Km. 15.5 carr. Guadalajara-Nogales, Las Agujas, Zapopan, Jalisco, México; email: jvazquez @ cucba. udg. mx
Author
Muñiz-Castro, Miguel A.
Herbario IBUG, Instituto de Botánica, Departamento de Botánica y Zoología, Universidad de Guadalajara, Km. 15.5 carr. Guadalajara-Nogales, Las Agujas, Zapopan, Jalisco, México; email: jvazquez @ cucba. udg. mx
Author
Cházaro-Basáñez, Miguel De J.
Laboratorio de Biogeografía, Departamento de Geografía, Universidad de Guadalajara-CUCSH, Avenida de los Maestros y Mariano Bárcenas, Guadalajara 44260, Jalisco, México
text
Phytotaxa
2012
2012-06-22
57
1
51
55
http://biotaxa.org/Phytotaxa/article/view/phytotaxa.57.1.7
journal article
5811
10.11646/phytotaxa.57.1.7
d98b87b3-2d75-4d2d-bbf1-4a37756d3cc5
1179-3163
5061363
Magnolia zoquepopolucae
A.Vázquez
,
sp. nov.
(
Fig. 1
)
Type
:—
MEXICO
:
Veracruz
: Mpio. San Pedro Soteapan, cercanías
de Santa Marta
, rodal de selva alta perennifolia,
18°19'15.7"N
,
94°53'09.8"W
,
1300 m
,
8 May 2011
(fr.),
Vázquez-García et al. 9139
(
holotype
IBUG
!, isotype
MEXU
!)
.
Evergreen trees, 30–45(–50) m tall, 1.0–
1.5 m
diameter at breast height; bark gray-yellowish, finely verrucose; sapwood white; twig internodes 0.3–1.4 ×
0.5–1.5 cm
, spotted with whitish lenticels, glabrous, dark brown; petioles 4.00–8.50 ×
0.20–0.25 cm
, adaxially flat with cracks on the petiolar scar, spaced 2.0–
4.5 mm
, abaxially convex with longitudinal wrinkles, thickened and darkened at the base, finely verrucose, glabrous; stipules unknown, stipular scar as long as the petiole; leaf blades 12.5–23.0 × 6.0–11.0 cm, elliptic, rarely obovate or lanceolate, obtuse-subobtuse or rarely acute at the base, not evidently decurrent on the petiole, obtuse-subobtuse or rarely acute at the apex, coriaceous, with 10–12 secondary veins, glabrous or glabrate; flowers creamy-white with purple color on the distal adaxial half of petals, pedunculate, spathaceous bract 1, peduncular scars 1–3; sepals 3, 7.1–8.5 × 4.0–
5.5 cm
, cochleate, coriaceous, tablet-like when dried; petals 6, in two whorls; outer petals 7.0–8.3 × 4.0–
5.5 cm
,
1.8 cm
wide at the base, obovate, thicker and firm; inner petals 6.9–8.1 ×
3.8–5.3 cm
,
1.5 mm
wide at the base, obovate, thinner and flexible; stamens ca. 200, yellow with some purple stain on inner base and tip, 1.50 ×
0.19 cm
, the connective obtuse to rounded; gynoecium ovoid 3.0–3.5 × 2.0–
2.8 cm
, with 46–56 united carpels; styles tongue-like,
4 mm
long, brown, discrete; fruit spheroid to high spheroid 8.5–9.0 ×
7.5–8.5 cm
, the fruit axis 7.5–9.0 ×
3.5–4.5 cm
, obovoid to ellipsoid, obtuse to acute at the apex, cuneate at the base, the cells 1.5–2.8 × 0.4–1.0 cm., 0.6–1.0 cm deep; carpels striate at the base, dorsally rugose, with an arched but non humped dorsal wall, occasionally with an ascending apex; seeds 1–2 per carpel, 1.2 ×
1.2 cm
, sub-orbicular and somewhat flattened, paired seeds 1.4 ×
0.8 cm
, some appearing prismatic with a flat side, with a fleshy, scarlet and shiny red sarcotesta.