Leucanthemum ligusticum, Melai & Marchetti & Bernardello & Peruzzi, 2012

Melai, Martina, Marchetti, Dino, Bernardello, Remo & Peruzzi, Lorenzo, 2012, A new diploid species of Leucanthemum (Asteraceae, Anthemideae) from Liguria (northwestern Italy), Phytotaxa 66 (1), pp. 27-37 : 31-33

publication ID

https://doi.org/ 10.11646/phytotaxa.66.1.5

DOI

https://doi.org/10.5281/zenodo.5067391

persistent identifier

https://treatment.plazi.org/id/03A287C1-653A-FFB2-FCE0-477BEA9AFEBA

treatment provided by

Felipe

scientific name

Leucanthemum ligusticum
status

 

Key to Leucanthemum ligusticum View in CoL and related diploid taxa

1. Basal leaves entire (at most with conspicuous lobes and teeth) .................................................................................. 2.

- Basal leaves dissected.................................................................................................................................................. 3.

2. Cypselae less than 2 mm long, those of ray florets with scarious pappus at most half of the fruit length (widespread range) ................................................................................................................................... Leucanthemum vulgare View in CoL s.l.

- Cypselae more than 2 mm long, those of ray florets with scarious pappus more or less equalling the fruit length (southern Italy) ..................................................................................................................... Leucanthemum laciniatum View in CoL

3. Phyllaries with pale or light brown margins, basal leaves rarely pinnatifid (northeastern Spain) ................................. ......................................................................................................................... Leucanthemum vulgare subsp. pujiulae View in CoL

3. Phyllaries with brown margins, basal leaves pinnatifid .............................................................................................. 4.

4. Teeth of basal leaves ≤ 2 mm long, plants at most 40(50) cm tall, growing above 1000 m a.s.l. (northern Spain) ....... ................................................................................................................. Leucanthemum gaudinii subsp. cantabricum View in CoL

4. Teeth of basal leaves generally ≥ (1.8) 2 mm, plants up to 100 cm tall, growing under 1000 m a.s.l. ....................... 5.

5. Basal leaves (9) 10–17.5 mm wide, with (12)13–16(17) teeth (northeastern Spain and central and southern France) .. ......................................................................................................................................... Leucanthemum monspeliense View in CoL

- Basal leaves (18)22–41(58) mm wide, with (14)22–72(78) teeth ............................................................................... 6.

6. Lower cauline leaves with petioles (13)16–21(22) mm and teeth (2.7) 2.8–4.3 mm long, disk florets (3.1)3.8–4.6(5.0) mm long (northwestern Spain, Galicia and Asturias) ............................. Leucanthemum pluriflorum View in CoL

- Lower cauline leaves with petioles (15)20–41(49) mm and teeth (1)1.5–2.7(3) mm long, disk florets less than 3 mm long (northwestern Italy) ....................................................................................................... Leucanthemum ligusticum View in CoL

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