Allium nazarenum C. Brullo, Brullo, Giusso & Salmeri, 2017
|
publication ID |
https://doi.org/10.11646/phytotaxa.327.3.3 |
|
persistent identifier |
https://treatment.plazi.org/id/497FFC70-FFDB-FFA9-FF02-82894A59F1CE |
|
treatment provided by |
Felipe |
|
scientific name |
Allium nazarenum C. Brullo, Brullo, Giusso & Salmeri |
| status |
sp. nov. |
Allium nazarenum C. Brullo, Brullo, Giusso & Salmeri View in CoL , sp. nov. subsp. nazarenum ( Fig.1 View FIGURE 1 )
Type:— ISRAEL. Colline presso Nazareth, esemplare coltivato, 6 June 2012, S. Brullo & G. Giusso s.n. (holotype, CAT!; isotypes, CAT) .
Allio staticiformi aemulans sed scapo longiore, spathae valvis longioribus, erectis vel suberectis, perigonio cylindrico-campanulato, tepalis truncatis vel obtusis, inaequalibus, interioribus latioribus, costa viridi, filamentis staminalibus inaequalis, antheris lilacinopurpurescentibus, ovatis, apice elongato, ovario ellipsoideo, laevi, stylo breviore, capsula subglobosa, differt.
Description:—Bulb ovoid-subglobose, 10–15 × 8–12 mm, with outer tunics coriaceous, blackish-brown, the inner ones membranaceous, whitish. Leaves 4–5, green, glabrous, with blade 10−25 cm long, 1.5–2.5 mm wide, subcylindrical, often fistulous, with prominent ribs. Scape 25−45 cm tall, cylindrical, glabrous, erect, covered by the leaf sheaths up to 1/2 of total length. Spathe persistent, with two unequal, opposite, erect to sub-erect valves, at least the large one longer than the inflorescence, the large one 7–9-nerved and 4–5 cm long, the small one 5-nerved and 3–3.5 cm long. Inflorescence globose, 2.5–3.5 mm in diameter, 40−60 flowered; pedicels erect, unequal, 3−15 mm long. Perigone cylindrical-campanulate, tepals white with green midrib, elliptical, truncate to obtuse at the apex, 3−3.2 mm long, the outer ones 1.4–1.8 mm wide, the inner ones 2.4−2.6 mm wide. Stamens included in the perigone or slightly exserted, fully exserted at flowering peak, filaments simple, white, unequal, the outer ones 1−2 mm long (up to 3 mm at flowering peak), the inner ones 1.5−2.5 mm long (up to 3 mm at flowering peak), connate below into an annulus 0.5−0.8 mm high; anthers purplish-lilac, ovate, broadly apiculate at the apex, 0.8–1.2 × 0.6–0.7 mm. Ovary ellipsoid, whitish with lateral green striae, smooth, 2−2.2 mm long; style white, 0.6−1 mm long. Capsule trivalved, subglobose, green at maturity, 3.2–3.5 × 3.2–3.5 mm. Seeds not examined.
Etymology:—The specific epithet refers to “ Nazara ”, the Greek name of Nazareth in Lower Galilee (N Israel) where this taxon occurs.
Phenology:—Flowering from mid June to early July; fruiting July-early August.
Karyology:—Specimens from the type locality revealed a diploid chromosome complement 2 n = 16 ( Fig. 2A View FIGURE 2 ). The karyotype mostly consists of median chromosomes, except one median-submedian pair (msm: arm ratio exceeding 1.3) and one macro-satellited submedian pair. Macro-satellites also occur on the short arms of one median pair ( Fig. 2B View FIGURE 2 ). The karyotype formula can be resumed as 2 n = 2x = 16: 10m + 2 mMsat + 2msm + 2 smMsat. Absolute chromosome length ranges from 13.97 ± 1.5 μm for the longest chromosome to 9.53 ± 0.8 μm for the shortest, while the relative length varies from 7.48 ± 0.4% to 5.11 ± 0.2%.
Leaf anatomy:—The leaf cross section of Allium nazarenum subsp. nazarenum shows a sub-elliptical outline, provided with 12 more or less prominent ribs in the abaxial face and flat in the adaxial one. The epidermis is characterized by small cells, covered by a thin cuticle, with stomata distributed along the whole perimeter. The palisade tissue is regular and compact, formed by short cylindrical two-layered cells. The spongy tissue is compact with small cells in the peripheral part, while it appears fistulous in the central one. Many secretory canals occur under the palisade tissue. 6-7 small vascular bundles are located in the adaxial position, and 12−13 are abaxial with some of bigger ones corresponding to the ribs ( Fig. 3A View FIGURE 3 ).
Distribution and ecology:— Subsp. nazarenum occurs in some localities of North and Central Israel, mainly between Nazareth and Jerusalem ( Fig. 4 View FIGURE 4 ). This area is characterized by a Mediterranean pluviseasonal oceanic bioclimate ( Ighbareyeh et al. 2014), with thermo- or meso-Mediterranean thermotypes, and subhumid to humid ombrotypes (annual precipitation ranging from 500 to 900 mm). This geophyte chiefly occurs on limestones, within the batha communities, as well as in the undergrowth of open Kermes oak woodlands.
Additional specimens seen (paratypes):— ISRAEL. Lower Galilee, El Reina , Nazareth , Poterium garigue, 18 May 1942, Davis 4842 ( HUJ!) ; Jerusalem, Beith Hakeren , June 1945, Koen s.n. ( HUJ!) ; Judaean Mts, 10 Km W of Khirbeth er Rabis ( W of Dahariya) Poterium orientalia, hard calcareous hills, 25 May 1942, Zohary s.n. ( HUJ!) ; Judaean monts, Quiryat Anavin , maquis, 25 May 1966, Kollmann 211/66 ( HUJ!) ; Jerusalem env. of Matsleva , 16 May 1966, Kollmann s.n. ( HUJ!) ; Jerusalem, Matsleva , batha, 25 May 1966, Kollmann s.n. ( HUJ!) ; Kefar Avigdor , heavy soil field border, 17 May 1966, Kollmann 211/66 ( HUJ!) ; Jerusalem, Neve Shaanan , field border, 23 May 1941, Zohary s.n. ( HUJ!) ; Judaean Mts., Deer-esh , batha, 1 June 1945, Feinbrun s.n. ( HUJ!) ; Modiin , E of Ramla, 29 May 1967, Shmida s.n. ( HUJ!) ; Esdrelon Plain, Nahalal , 2 June 1925, Naftolsky s.n. ( HUJ!) ; Esdrelon Plain, Nahalal , 12 June 1923, Eig s.n. ( HUJ!) ; Esdrelon Plain, Balfourya fallow, basal soil, 26 June 1924, Eig s.n. ( HUJ!) ; Shefela, Talme Yehal Sof Masmiye , heavy soil, field border, 17 May 1966, Kollmann s.n. ( HUJ!) ; Shefela, env. of Gefen , 17 May 1966, Kollmann s.n. ( HUJ!) ; Kyriat Anavim , esemplare coltivato, June 1990, S. Brullo s.n. ( CAT 59184 About CAT !) ; ibid., 4 June 2012, S. Brullo & G. Giusso s.n. ( CAT!) .
No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.