Ruscus shoot apex, orthotropic axis
Ruscus aculeatus, phylloclads
Myriophyllum shoot apex
Myriophyllum stem, x.s.
Typha stem, diaphrams
Acacia, phyllodes
Homalocladium, platyclades
Ring bark
Conifer bark
Myrsine, proleptic branching
Vanda, monopodial axis
Sea grape, distichous branching
Cactus, alternate branching
Calla, shoot apex
Peltate leaves
Nymphaea, peltate leaves
Tillandsia usneoides on live oak
Tillandsia usneoides
Zea leaf, autofluorescence
Trachycarpus excelsus, palm leaf development
Petunia, guard cell
Nepenthes, trichome
Salvinia, trichomes
Avicennia, salt trichomes
Haworthia, window leaves
Senecio, window leaves
Agave, sp., leaf succulent
Kalanchoe tubulifolia, plantlets
Phyllitis scolopendrium, root, l.s.
Avicennia, pneumatophores
Mangrove, stilt roots
Rhizophora, seedlings
Prop roots
Aerial roots under tension
Anthurium, coralloid roots
Ficus racemosa, buttress roots
Cuscuta, parasite
Cuscuta, haustoria in Beta (beet) petiole
Arceuthobium douglasii
Stem succulents, cactus-left, euphorb-right
Zygocactus, flattened stem
Euphorbia dawei, flattened stem
Euphorbia dawei
Cereus, convoluted stem
Euphorbia grandicornis, stem
Opuntia fulgida
Euphorbia ingens
Stapelia, stem succulents
Baobob
Pereskia w/stipular thorns
Pereskia w/spines & thorns
Cereus thurberi, spines
Echinocactus horizonthalonius, spines
Carissa grandiflora, branches, spines
Bougainvillea, thorns
Hura crepitans, stem w/spines
Dioon spinulosum, leaf spines
Idria columnaris, leaf spines
Passiflora, tendril
Echinocystis, tendril
Decumaria barbara, adventitious roots
Podostemon ceratophyllum
Pandanus root (w/root caps)
Victoria regia leaf
Acacia cornigera
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