Leaves remotely toothed, acumnate at apex; flowers appearing before the leaves.
Flowers clusters conspicuous because of large, leaf like, pink sepals.
Flowers white in stalked globose clusters; fruits aggregated in spherical.
Leaves leathery; evergreen; flowers showy, white, large.
Submerged leaves bearing bladders; flowers irregular, showy ellow or purple.
Leaves without midribs evident when examined against transmitted light; flowers yellow.
Leaves with midribs evident when examined against light; flowers inconspicuous, not yellow.
"View of the remains of the French Works. These remains are in the southeastern suburbs of the city,…
Leaves usually three in whorls (sometimes four); flowers minute and inconspicuous
Leaves crowded on stem; flowers three petaled, pink and fairly conspicuous.
Leaves small, mostly less than 15cm. long, heart-shaped; flowers white and less than 2.5cm across.
Flowers white; leaf-blade round.
Flowers in stalked head-like spikes; leaves over 3.5cm long.
Stems with a sheath just above attachment point of leaf; flowers individually small, white to pink.
Flowers large, showy yellow; fruit a four angled capsule.
Leaf-sheaths present only at the base of stem; flowers in one group.
Leaf-sheaths scattered along stem; flowers in several groups.
Flowers or fruits individually manifest; parts in threes.
Flowers violet, over 3cm scross; leaves equitant at base; that is coming in two ranks, making the base…
Flowers inconspicuous and hidden by overlapping scales.
Leaves large (1cm wide or wider); flowers very showy.
Leaves smaller, rigid; small yellow flowers gathered in dense heads at top of naked stalk, each subtended…
Leave from base of scrape bearing button like whitish heads of minute flowers; roots with cross-constrctions.
Leaves from base of scape bearing evident white flowers in racemes; roots without crss-constrictions.
Stems round, or nearly so, in cross-section; flowers showy, yellow.
Leaves usually with sharp lobes; flowers individually inconspicuous, on a fleshy axis snclosed in a…
Plant small, less than 4dm tall; flowers yellow.
Plant large, over 5dm tall; flowers large, white, pink, or purplish.
Leaves mostly basal, heart shaped; flowers purple.
Sheaths around stem above each point of leaf-attachment; flowers white to red, not fragrant.
Stems with no sheaths; flowers white, fragrant.
Leaves large, 2 dm or more in diameter, impossible to wet; flowers solitary, showy, yellow.
Plants smaller; not wite-powdery above; leaves shed water easily; flowers along fleshy spike enclosed…
Flowers many; leaves large, over 10cm long.
Flowers solitary; leaves small, less than 5 cm long.
Leaf, when examined against light with lens, showing semitransparent dots; flowers yellow or pink.
Flowers not showy, in axils of leaves, mostly purple.
Leaves covered with tiny black dots visible with lens; flowers small, white.
Flowers irregular, purplish.
Stems woody at least at base, arching; flowers purple-pink, in auxiliary clusters.