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Key to Silene
https://fsus.ncbg.unc.edu/main.php?pg=show-key.php&keyid=40222
3 Leaf blades with dense silky white hairiness; flowers bisexual; [Lychnis section Agrostemma] | |
3 Leaf blades variously pubescent, but not with silky-appressed pubescence; [Silene section Melandrium]. | |
9 Cauline leaves 0.8-4.0 cm wide, mostly oblanceolate, usually at least 2.5× as long as wide; plant not covered with sticky glandular hairs; [of various, mostly rocky, habitats, widespread in our region]. | |
11 Petals 8-cleft or more divided; plants perennial; [native]. | |
12 Plants 2-6 dm tall; petals pink, the >8 ultimate segments of each dichotomously forked at nearly right angles; calyx ca. 2.5 cm long; stem with long, villous pubescence | |
12 Plants (5-) 7-15 dm tall; petals white, the 8 segments of each essentially parallel to one another; calyx ca. 1 cm long; stem with short rigid pubescence | |
13 Plant < 2.5 dm tall; plant perennial, with a stout, carrot-like taproot; [native, of woodlands, rock outcrops, barrens, glades, and dry roadbanks]. | |
14 Calyx pubescence of glandular hairs; [of NC and ne. TN northward in and east of the Appalachians]. | |
13 Plant usually 2-8 dm tall (depauperate individuals rarely smaller); plant annual or biennial (perennial from a creeping rhizome in S. nivea and S. vulgaris), lacking a carrot-like taproot; [exotic, mostly of disturbed habitats (except S. nivea and S. antirrhina). | |
16 Calyx with 20-30 parallel veins. | |
20 Fruiting calyx ovoid, contracted at the mouth to ca. ½ the diameter of the calyx at its widest point; stamens ca. 2× as long as the calyx; filaments purple | |
20 Fruiting calyx clavate or campanulate, not contracted at the mouth; stamens 1.0-1.5× as long as the calyx; filaments usually white. | |
Key to Caryophyllaceae, Key A: Subkey in Caryophyllaceae
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https://fsus.ncbg.unc.edu/main.php?pg=show-key.php&keyid=40215
1 Calyx immediately subtended by 1-3 pairs of bracts; [tribe Caryophylleae]. | |
1 Calyx lacking subtending bracts. | |
3 Sepals 25-62 mm long; calyx lobes longer than the calyx tube, the lobes as long as or longer than the corolla lobes; [tribe Sileneae] | |
3 Sepals (1-) 10-28 (-40) mm long; calyx lobes shorter than the calyx tube, the lobes much shorter than the corolla lobes (except Gypsophila). | |
5 Sepals 1-5 mm long, the commissures between the sepals scarious. | |
6 Leaves lanceolate to ovate, (1-) 2-20 (-35) mm wide; plants few-branched, or if diffusely-branched, only in the upper half of the plant's length | |
4 Styles 3-5 (or 0 in staminate plants); fruit valves 3, 4, 5, 6, 8, or 10; petals generally appendaged; [tribe Sileneae] | |
11 Leaf blades with dense silky white hairiness; flowers bisexual; [or former Lychnis section Agrostemma] | |
11 Leaf blades variously pubescent, but not with silky-appressed pubescence; [Silene section Melandrium] |