Dig deeper at SERNEC, a consortium of southeastern herbaria.
Read more about Pecan at Vascular Plants of North Carolina.
Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Rosids: Fabids: Fagales
WEAKLEY'S FLORA (11/30/12):
Carya illinoinensis
FAMILY
Juglandaceae
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Carya illinoinensis
FAMILY
Juglandaceae
SYNONYMOUS WITH (ORTHOGRAPHIC VARIANT)
VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 053-02-002:
Carya illinoensis
FAMILY
Juglandaceae
INCLUDING
Manual of the Southeastern Flora (Small, 1933)
Hicoria pecan
COMMON NAME:
Pecan
Click or hover over the thumbnails to see larger pictures.
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Ron Lance jkm110219_651
Note variation in husk thickness & dehiscence, and nut shape, size & sweetness.
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USDA-NRCS PLANTS Database / USDA Wetland flora: Field office illustrated guide pnd_cail2_004_lvd
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USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913 pnd_hipe_001_lvd
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Richard and Teresa Ware rtw_carya_illinoensis_3
January
Bark brownish, in scaly plates, per Woody Plants of the Southeastern US: A Winter Guide.
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JK Marlow jkm080204_020
February Greenville County SC
The spelling of the specific epithet has been a source of controversy, per Weakley's Flora.
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Gill Newberry gn04_c_illinoensis_male_c
April
Staminate flowers in prominent cylindrical catkins, per Native Trees of the Southeast, An Identification Guide.
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JK Marlow jkm130513_958
May Spartanburg County SC
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JK Marlow s040529_g
May Oconee County SC
Field
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JK Marlow s040529_h
May Oconee County SC
Field
Leaves with 9-17 leaflets, often having long curved (falcate) tips, per Woody Plants of the Blue Ridge.
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Richard and Teresa Ware rtw_carya_illinoensis
June
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JK Marlow jkm080816_030
August Greenville County SC
Leaf lower surfaces pale and soft-pubescent, per Native Trees of the Southeast, An Identification Guide.
)
JK Marlow jkm080816_033
August Greenville County SC
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Gill Newberry gn10_c_illinoensis_pecans
October
Husk of fruits is about 1mm thick and winged or keeled, per Trees of the Southeastern United States.
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Richard and Teresa Ware rtw_carya_illinoensis_4
November
Buds dark gray; twigs hairy, per Woody Plants of the Southeastern US: A Winter Guide.
)
Richard and Teresa Ware rtw_carya_illinoensis_8
November
Fruit husks 2-4mm thick, but shrivel quickly after falling, per Woody Plants of the Southeastern US: A Winter Guide.
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JK Marlow jkm081208_006
December Greenville County SC
60mph Tree ID is made easier by the nut husks left on twigs (tree hairbows?)
)
JK Marlow jkm081208_015
December Greenville County SC
In Carya the husk is derived from bract and bracteoles not the sepals, per Evolution, Phylogeny, and Systematics of Juglandaceae (Manos & Stone, 2001).
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Ron Lance jkm110219_636a
Month Unknown