Callisia graminea
Callisia
grassleaf roseling
roseling
glabrous to sparsely puberulent.
thin, rarely tuberous.
(4–)15–25(–40) cm.
ascending;
basal leaf sheaths glabrous to pilose or puberulent;
blade linear, 4–17 × 0.1–0.5 mm (distal leaf blades much narrower than sheaths when sheaths opened, flattened).
spirally arranged or 2-ranked;
blade sessile.
bracts often elongate, sometimes minute, 2–14 mm, if elongate ± herbaceous, if minute scarious.
terminal and/or axillary, cyme pairs (often aggregated into larger spikelike or paniclelike units), cymes sessile, umbel-like, contracted, subtended by bracts;
bracts inconspicuous, less than 1 cm; spathaceous bracts absent;
bracteoles persistent.
pedicellate;
pedicels (0.7–)1.2–2 cm;
petals pink to rose, 8–10 mm;
filaments bearded.
bisexual (bisexual and pistillate in C. repens), radially symmetric;
pedicels very short or well developed;
sepals distinct, subequal;
petals distinct, white or pink to rose [rarely blue], equal, not clawed;
stamens 6 or 0–3, all fertile, equal;
filaments glabrous or bearded;
ovary 2–3-locular, ovules [1–]2 per locule, 1-seriate.
2–3.5 mm.
2–3-valved, 2–3-locular.
1.5–2 mm.
[1-]2 per locule;
hilum punctiform;
embryotega abaxial.
= 6, 12, 18.
= 6–8.
Callisia graminea
Callisia
I have not been able to confirm the record of this species from Maryland in M. L. Brown and R. G. Brown (1984).
(Discussion copyrighted by Flora of North America; reprinted with permission.)
Species ca. 20 (7 in the flora).
(Discussion copyrighted by Flora of North America; reprinted with permission.)
1. Flowers white, filaments glabrous; plants creeping, or ascending and stoloniferous. | → 2 |
1. Flowers pink to rose, filaments bearded; plants erect to ascending, or creeping. | → 4 |
2. Robust, stoloniferous plants to 1 m; leaves oblong to lanceolate-oblong, 15–30 cm; flowers fragrant | C. fragrans |
2. Weak, mat-forming plants; leaves lanceolate to ovate, 1–3.5 cm; flowers odorless. | → 3 |
3. Inflorescences sessile in distal leaf axils; flowers sessile or subsessile; petals inconspicuous; stamens 0–6; ovary and capsule 2-locular | C. repens |
3. Inflorescences pedunculate; flowers distinctly pedicellate; petals conspicuous; stamens 6; ovary and capsule 3-locular | C. cordifolia |
4. Plants creeping; leaves oblong-elliptic to lanceolate-oblong, 1–3.5 cm | C. micrantha |
4. Plants erect to ascending; leaves linear, mainly 5–25 cm. | → 5 |
5. Distal leaf blades as wide as opened, flattened sheaths or wider, 0.4–1.5 cm wide | C. rosea |
5. Distal leaf blades much narrower than opened, flattened sheaths, 0.1–0.5 mm wide. | → 6 |
6. Plants not cespitose or scarcely so; roots persistently woolly; bracts usually minute, scarious, 1–3(–7) mm | C. ornata |
6. Plants cespitose; roots glabrous to sparsely puberulent; bracts often elongate, ± herbaceous, 2–14 mm | C. graminea |
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