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Blade kelp, hollow-stemmed kelp
This brown alga has three main parts: the blade, the stipe and the holdfast. The blade (equivalent to a leaf) is thick and rubbery in the centre and thinner and wavy on the edges.
Plant formAlgaFamilyLaminariales -
Bloodroot
This plant bears a single thick leaf. It is 15 to 20 cm wide and divided into lobes with wavy edges. The single flower is borne on a stem rising from the ground, like the leaf stalk.
Plant formHerbaceous terrestrial plantFamilyPapaveraceae -
Blue cohosh
This perennial plant grows to 30 to 60 cm in height. Its stem turns purple when the plant flowers.
Plant formHerbaceous terrestrial plantFamilyBerberidaceae -
Blue lettuce
The very long stem of this plant grows 1 to 4 m tall. It is hollow, smooth, upright and bears leaves all the way to the flowers. The leaves are 15 to 30 cm long and deeply divided.
Plant formHerbaceous terrestrial plantFamilyAsteraceae (Compositae) -
Blue taro, violet-stemmed taro, blue ape
This robust stemless plant grows from a large rhizome, which sends up several large leaves 20 to 70 cm long and 15 to 45 cm wide.
Plant formHerbaceous terrestrial plantFamilyAraceae -
Blue-stemmed goldenrod
This plant grows 30 to 100 cm tall. The stem is hairless and usually bluish. The colour comes from a powder that can be easily rubbed off. The lance-shaped leaves are edged in well-defined teeth.
Plant formHerbaceous terrestrial plantFamilyAsteraceae (Compositae) -
Bluebell of Scotland
This rhizomatous plant grows 15 to 50 cm tall in delicate clumps. It bears two types of leaves. Those on the stem are alternate, elongated and very narrow.
Plant formHerbaceous terrestrial plantFamilyCampanulaceae -
Breadnut, maya nut, ramón tree
This large tree grows to 25 to 40 m tall and 50 cm across. It has a dark grey trunk and abundant white sap. Its thin bark is marked with leaf scars and irregular growth rings.
Plant formBroadleaf treeFamilyMoraceae -
Bristly prickly-ash
This small tree rarely grows more than 10 m tall. Its trunk is about 10 to 15 cm across and has pale brown bark covered in stiff spines. Its wood is pale yellow.
Plant formBroadleaf treeFamilyRutaceae -
Bush honeysuckle
This shrub grows 60 to 120 cm tall. Its opposite leaves, on a short stalk, are oval, acuminate and toothed. Its yellow flowers have a long tube-shaped calyx and are 5 to 12 mm long.
Plant formBroad-leaved shrubFamilyCaprifoliaceae -
Cainito, caimito, star apple
This is a large tree that can reach heights of 20 to 25 m. Its foliage is thick and wide-spreading. Its bark is pale.
Plant formBroadleaf treeFamilySapotaceae -
Calico aster, one-sided aster
The stem of this aster grows from 30 to 150 cm long. Its branches are usually very long and widely spaced. The leaves at the base are oval-shaped, while those on the stem are oval and toothed.
Plant formHerbaceous terrestrial plantFamilyAsteraceae (Compositae)