Your search found 43 image(s) illustrating the term "rachis." For a written explanation, click on "rachis" in the Glossary.
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Cinnamon Fern, Osmundastrum cinnamomeum
Rachis smooth, green; semi-grooved in front, per Peterson Field Guide to Ferns of Northeastern and Central North America.
Northern Maidenhair Fern , Adiantum pedatum
Rachis divides into 2 branches to form a semicircular, fan-shaped blade, per Peterson Field Guide to Ferns of Northeastern and Central North America.
Southern Maidenhair Fern, Adiantum capillus-veneris
Rachis dark brown, smooth, slender, and brittle, per Field Guide to the Ferns and Other Pteridophytes of Georgia.
Hay-scented Fern, Dennstaedtia punctilobula
Blades tacky to the touch w glandular hairs covering pinnae, stipe & rachis, per Peterson Field Guide to Ferns of Northeastern and Central North America.
Hay-scented Fern, Dennstaedtia punctilobula
Rachis covered with fine, light-colored hairs, per Field Guide to the Ferns and Other Pteridophytes of Georgia.
Woolly Lip-fern, Cheilanthes tomentosa
Rachis brown, densely hairy and scaly, per Field Guide to the Ferns and Other Pteridophytes of Georgia.
Southern Lady Fern , Athyrium asplenioides
Pinnules become shorter toward the rachis, per Ferns of the Smokies.
Silvery Glade Fern, Deparia acrostichoides
Unlike Athyrium, Deparia's costal groove is not continuous w its rachis groove, per Weakley's Flora.
Blunt-lobed Cliff Fern, Woodsia obtusa ssp. obtusa
Blade lanceolate, cut into widely spaced pinnae at right angles to rachis, per Peterson Field Guide to Ferns of Northeastern and Central North America.
Lowland Bladder Fern, Cystopteris protrusa
Lower pinnules (near rachis) on lower pinnae have small stalks, per Peterson Field Guide to Ferns of Northeastern and Central North America.
Intermediate Wood-fern, Dryopteris intermedia
Rachis with glandular hairs, per Peterson Field Guide to Ferns of Northeastern and Central North America.
Intermediate Wood-fern, Dryopteris intermedia
Pinnae oblong, sides parallel > half the length, at right angles to rachis, per Peterson Field Guide to Ferns of Northeastern and Central North America.
Mountain Wood-fern, Dryopteris campyloptera
Blade widely ovate, about 2/3 as broad as rachis length, per Vascular Flora of the Carolinas.
Southern Shield Fern, Dryopteris ludoviciana
Rachis is grooved, per Field Guide to the Ferns and Other Pteridophytes of Georgia.
Broad Beech Fern, Phegopteris hexagonoptera
Blade distinctly triangular. Pinnae connected along rachis by winged tissue, per Peterson Field Guide to Ferns of Northeastern and Central North America.
Sensitive Fern, Onoclea sensibilis var. sensibilis
The rachis is winged, joining the opposite pinnae to each other , per Ferns of the Smokies.
Ebony Spleenwort, Asplenium platyneuron
Pinnae alternate, with superior auricles; sessile, bases overlapping rachis, per Field Guide to the Ferns and Other Pteridophytes of Georgia.
Maidenhair Spleenwort, Asplenium trichomanes ssp. trichomanes
Rachis dark purple-brown, per Field Guide to the Ferns and Other Pteridophytes of Georgia.
Blackstem Spleenwort, Asplenium resiliens
Pinnae mostly opposite. Stipe and rachis are dark brown, almost black, per Peterson Field Guide to Ferns of Northeastern and Central North America.
Cereal Rye, Secale cereale
Spikelets alternate on opposite sides of rachis, mostly 2-flowered, per Vascular Flora of the Carolinas.
Common Bottlebrush Grass, Elymus hystrix var. hystrix
Awned spikelets spread at right angles to rachis; glumes absent or reduced, per How to Know the Grasses by R.W. Pohl.
Common Bottlebrush Grass, Elymus hystrix var. hystrix
Spikelets usually 2 per node of rachis, usually horizontally divergent, per Vascular Flora of the Carolinas.
Common Bottlebrush Grass, Elymus hystrix var. hystrix
Rachis internodes 5-10mm, spikelets horizontally spreading toward maturity, per Manual of the Grasses of the United States.
Velvet Witchgrass, Dichanthelium scoparium
Panicle's rachis villous, the branches spreading-ascending, villous, spotted, per Vascular Flora of the Carolinas.
Bosc's Panicgrass, Dichanthelium boscii
Spikelets 3.7-4.2mm long; rachis and spreading-ascending branches villous, per Vascular Flora of the Carolinas.
Fairywand, Chamaelirium luteum
Staminate flowers usually in racemes, rachis usually white, per Vascular Flora of the Carolinas.
Butternut, Juglans cinerea
Leaflet lower surfaces pubescent; rachis sticky tomentose, per Native Trees of the Southeast, An Identification Guide.
Early Winter-cress, Barbarea verna
Fruits erect to ascending, not appressed to rachis, per Flora of North America.
Mountain Foamflower, Tiarella cordifolia
Rachis and pedicels glandular puberulent, pedicels 5-10mm long, per Vascular Flora of the Carolinas.
Allegheny Blackberry, Rubus allegheniensis
Rachis & pedicels densely pubescent & stipitate-glandular. Petals 1-2cm long, per Vascular Flora of the Carolinas.
Mountain-ash, Sorbus americana
Rachis reddish, leaflets 11 to 17, per Woody Plants of the Blue Ridge.
Mountain-ash, Sorbus americana
Rachis reddish, per Woody Plants of the Blue Ridge.
Kentucky Yellowwood, Cladrastis kentukea
Leaves have 7-11 leaflets, arranged alternately along the rachis, per Woody Plants of the Blue Ridge.
Kentucky Yellowwood, Cladrastis kentukea
Leaves with 7 to 11 leaflets arranged alternately along rachis, per Woody Plants of the Blue Ridge.
Aaron's Rod, Thermopsis villosa
Legumes closely pressed against the rachis, per Vascular Flora of the Carolinas.
Common Bristly Locust, Robinia hispida var. hispida
Peduncles, rachises & pedicels more or less hispid; calyx hispid, per Vascular Flora of the Carolinas.
Kelsey's Locust, Robinia hispida var. kelseyi
Racemes to 1dm long, 5-8 flowered, with glandular-hirsute rachis, per Vascular Flora of the Carolinas.
Winged Sumac, Rhus copallinum +
Rachis with green marginal wings between leaflets. Leaflet margins entire, per Native Trees of the Southeast, An Identification Guide.
Smooth Sumac, Rhus glabra
Leaves with 15-19 sessile, serrate leaflets. Rachis not winged, per Vascular Flora of the Carolinas.
Mountain Sweet Pepperbush, Clethra acuminata
Stamens & styles exserted beyond petals; sepals & rachis woolly, white, per Native Trees of the Southeast, An Identification Guide.
Biltmore Ash, Fraxinus biltmoreana
Branchlets, petioles, rachises, and petiolules densely pubescent, per Vascular Flora of the Carolinas.
Whorled Horsebalm, Collinsonia verticillata
Thyrse narrow, rachis densely pilose with gland-tipped trichomes, per Vascular Flora of the Carolinas.
Swollen Bladderwort, Utricularia inflata
Inflated stalk & rachis form a flotation device supporting flowering stalk, per Guide to the Wildflowers of SC.










































