Nomocharis, Franchet, 1889

Yuan, Yumei, Ju, Wen-Bin & Gao, Yundong, 2022, Lilium punctulatum (Liliaceae), a rare and endangered species from northwestern Yunnan, China, elevated from varietal to species status, Phytotaxa 558 (2), pp. 243-248 : 247

Key to species of Nomocharis

1. Leaves whorled; nectaries at the base of inner tepals flabellate with flanges; filaments swollen, cylindric proximally, abruptly narrowed to a filiform tip distally connected to the anther; margin of inner tepals entire or erose ...................................................2

– Leaves alternate; filaments nearly subulate, slender, tapering from flat, wide base to filiform apex; margin of inner tepals entire... ............................................................................................................................................................................................................6

2. Perianth shallowly cupular, inner tepals neither spotted nor blotched with deep colour, margin entire......................... L. basilissum

– Perianth white or pale pink, inner tepals darkly spotted or blotched, margin entire or erose ............................................................3

3. Tepals ovate to elliptic, more than 1.5 × as long as broad, erose at the margin, blotched all over with purple......... L. meleagrinum

– Tepals ovate to orbicular, scarcely or slightly longer than broad.......................................................................................................4

4. Margins of the inner tepals erose or lacerate; perigone blotched all over with dark purple, outer tepals weakly spotted, inner tepals densely blotched or spotted ....................................................................................................................................... L. pardanthinum

– Inner tepals margin weakly erose; spots and blotches are concentrated at base of the petals and become sparse gradually ............5

5. Leaves elliptic to lanceolate rarely ovate, perigone red, flat with purple-red or crimson spots and blotches distributed densely at the base and decreasing gradually..................................................................................................................................... L. punctulatum

– Leaves linear to lanceolate, perigone shallowly cupular at first, white to pale pink or rose with spots or small blotches of crimson or purple mainly at base ......................................................................................................................................................... L. sealyi

6. Perigone pale yellow and not with swellings or flanges on the sides at the base of inner tepals.............................. L. gongshanense

– Perigone white to pink or rose and nectaries of the inner tepals either flanges of tissue arranged flabellate or swellings or ridges on either side of the short median channel ..............................................................................................................................................7

7. Nectaries of inner tepals with a series of flanges arranged flabellately on both sides of a short median channel........ L. synapticum

– Nectaries of inner tepal swellings on both sides of the basal median channels .................................................................................8

8. Perigone flat, blotched in the lower half or all over; style longer than (rarely equal to) the ovary ................................... L. apertum

– Perigone cupular or shallowly cupular, finely spotted at the base and lightly so over the lower half; style shorter than the ovary.... ........................................................................................................................................................................................ L. saluenense