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Pennsylvania Bittercress,
Cardamine pensylvanica
Leaflets decurrent on the rachis (vs. C. flexuosa's leaflets petiolulate), per Weakley's Flora (2015).
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Brook-saxifrage,
Boykinia aconitifolia
Rachis, branches, pedicels and hypanthium glandular-puberulent, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).
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Allegheny Blackberry,
Rubus allegheniensis var. allegheniensis
Rachis and pedicels densely pubescent and stipitate-glandular, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).
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American Mountain-ash,
Sorbus americana
Rachis reddish, leaflets 11 to 17, per Woody Plants of the Blue Ridge (Lance).
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Black Chokeberry,
Aronia melanocarpa
Lower surfaces of leaves glabrous, twigs, and inflorescence rachis glabrous, per Weakley's Flora (2024).
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Fire Cherry,
Prunus pensylvanica
Pedicels more than 1cm long; rachis arising directly from old wood, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).
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Alabama Black Cherry,
Prunus alabamensis
Flowers in racemes, the rachis pubescent [vs. that of var. serotina glabrous], per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).
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Kentucky Coffeetree,
Gymnocladus dioicus
Leaves bipinnately compound, except once-pinnately compound at rachis base, per Native Trees of the Southeast, An Identification Guide (Kirkman, Brown, & Leopold, 2007).
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Kentucky Yellowwood,
Cladrastis kentukea
Leaves with 7 to 11 leaflets arranged alternately along rachis, per Woody Plants of the Blue Ridge (Lance).
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Aaron's Rod,
Thermopsis villosa
Rachis and calyx tawny-tomentose, pedicels strongly ascendent, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).
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Aaron's Rod,
Thermopsis villosa
Legumes closely pressed against the rachis, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).
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Common Bristly Locust,
Robinia hispida var. hispida
Peduncles, rachises & pedicels more or less hispid; calyx hispid, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).
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Kelsey's Locust,
Robinia hispida var. kelseyi
Rachis of the inflorescence.
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Jerusalem Thorn,
Parkinsonia aculeata
Leaves 2-4dm long w winged phyllodelike rachis; leaflets small; stems armed, per Wildflowers of the Eastern United States (Duncan & Duncan, 1999).
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Southern Toothache Tree,
Zanthoxylum clava-herculis
Rachis spiny, per Native Trees of the Southeast, An Identification Guide (Kirkman, Brown, & Leopold, 2007).
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Wild Lime,
Zanthoxylum fagara
Petiole & rachis winged; leaflets to 3cm long, apex rounded, obtuse, or retuse, per Weakley's Flora.
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Michaux's Sumac,
Rhus michauxii
Rachis narrowly winged, or wingless, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).
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Winged Sumac,
Rhus copallinum +
Rachis with green marginal wings between leaflets. Leaflet margins entire, per Native Trees of the Southeast, An Identification Guide (Kirkman, Brown, & Leopold, 2007).
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Smooth Sumac,
Rhus glabra
Leaves with 15-19 sessile, serrate leaflets. Rachis not winged, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).
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Western Soapberry,
Sapindus saponaria var. drummondii
Rachis wingless. Leaflets slightly curved or sickle-shaped not unlike pecan, per Manual of Woody Landscape Plants (Dirr, 1975+).
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Eurasian Water-milfoil,
Myriophyllum spicatum
All leaves whorled, grayish green. Midstem leaves with 12-25 segments on each side of rachis, per Weakley's Flora (2022).
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Mountain Sweet-pepperbush,
Clethra acuminata
Sepals and rachis woolly, white, per Native Trees of the Southeast, An Identification Guide (Kirkman, Brown, & Leopold, 2007).
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White Ash,
Fraxinus americana
Twigs, petioles, petiolules, and rachises glabrous, per Weakley's Flora (2015).
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Biltmore Ash,
Fraxinus biltmoreana
Branchlets, petioles, rachises, and petiolules densely pubescent, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).
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Brazilian Vervain,
Verbena brasiliensis
Spikes short & stout, flowers/fruits overlapping & completely obscuring rachis, per Weakley's Flora.
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Carolina Vervain,
Verbena carnea
Spikes elongate, flowers or fruits well-spaced and not obscuring the rachis, per Weakley's Flora (2015).
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Carolina Vervain,
Verbena carnea
Rachis stipitate-glandular. Calyx and corolla tube pubescent, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).
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Whorled Horsebalm,
Collinsonia verticillata
Thyrse narrow, rachis densely pilose with gland-tipped trichomes, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).
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Swollen Bladderwort,
Utricularia inflata
Inflated stalk & rachis form a flotation device supporting flowering stalk, per Guide to the Wildflowers of SC, 1st ed. (Porcher & Rayner, 2001).
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Virginia Plantain,
Plantago virginica
Upper part of the rachis hidden by flowers or fruit, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).
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Chapman's Blazing-star,
Liatris chapmanii
Heads rigidly ascending, appressed to rachis, densely overlapping, per Weakley's Flora (2015).