Plants

Black-eyed Susan

Black-eyed Susan (Rudbeckia): appearance, habitat, and uses

Blackberry

Bladderwort

Blephilia

Blephilia: wood mints of eastern North America

Blight

Blossom

Blossom (flower)

Bluebell

Bluebell (Hyacinthoides) — spring-blooming woodland plant

Blueberry

Blueberry: description, cultivation, uses, and notable varieties

Bodhi Tree

Boldo

Bolivian coriander

Bolivian coriander (Porophyllum ruderale)

Borage

Boraginaceae

Botanic

Botanic (South Belfast district)

Botanical garden

Botanical garden: purpose, collections, and role in conservation

Botanical Garden of Curitiba

Botanical Garden of Curitiba (Jardim Botânico)

Botanical name

Botanist

Botanist: the plant scientist — roles, specialties, and importance

Botany

Botany: the science of plants

Bothriolepis

Bottle tree

Bottle tree: swollen‑trunk plants and the glass bottle tradition

Bougainvillea

Bougainvillea: Ornamental climbing shrubs from South America

Brachychiton

Brachychiton: bottletrees and kurrajongs — description, history, and uses

Bract

Bract (botany): modified leaves associated with flowers and inflorescences

Braeburn

Branch

Brassica

Brassica (genus of vegetables, oilseeds and mustards)

Brassica juncea

Brassica juncea (mustard greens and Indian mustard)

Brassica oleracea

Brassica oleracea (wild cabbage): species, diversity and uses

Brassica rapa

Brassica rapa — turnip, leafy vegetables, and oilseed forms

Brassicaceae

Brassicaceae — the mustard and cabbage family

Brassicales

Brassicales: the mustard order of flowering plants

Brazilwood

Breadfruit

Broccoflower

Broccoflower: green cauliflower and romanesco cultivars

Broccoli

Broccoli: varieties, cultivation, uses and nutrition

Bromeliad

Brooklyn Botanic Garden

Broom (shrub)

Brown algae

Brussels sprout

Brussels sprouts: overview, cultivation, culinary uses and nutrition

Bryophyte

Buckwheat

Buckwheat: biology, uses, cultivation, and culinary traditions

Buddha's hand

Buddha's hand (Citrus medica var. sarcodactylis) — fingered citron

Buddleja

Bulb

Bush

Bustan (garden)

Bustan (garden): Persian domestic and agricultural garden