Flora of North America species comparison

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Cakile lanceolata

coastal searocket
Habit Annuals, (usually sprawling).
Stems

erect to prostrate, (much-branched), often 5+ dm.
Cauline leaves

(shortly petiolate or sessile);

blade broadly ovate to ovate-lanceolate, or (distal) oblanceolate, (not especially fleshy, smaller distally), margins entire, dentate, or pinnatisect.
Racemes

often 3+ dm;

rachis straight.
Flowers

sepals 3.5–5 mm, lateral pair saccate basally;

petals usually white, rarely lavender, 4.9–9.4 × 3–4.5 mm, claw distinct.
Fruiting pedicels

1.5–4 mm.
Fruits

(weakly 4-angled to terete, striate or sulcate), fusiform or lanceoloid [turbinate], 15–31 × 3–4 mm;

proximal segment terete, (5–10 mm);

terminal segment slenderly conical, (9–18 mm), apex usually acute.
Seeds

cotyledons accumbent or, occasionally, incumbent.

Cakile lanceolata
Distribution
from FNA
FL; TX; Mexico; Central America; West Indies
[WildflowerSearch map]
[BONAP county map]
Discussion

Subspecies 4 (3 in the flora).

Subspecies alacranensis is known from the Yucatán Peninsula.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Key
1. Fruits lanceoloid, apex not tapering abruptly, terminal segment at least 2 times length of proximal segment; leaf blades: margins usually sinuately or crenately lobed, rarely pinnatisect.
subsp. lanceolata
1. Fruits fusiform or lanceoloid, apex tapering abruptly, terminal segment less than 2 times length of proximal segment; leaf blades: margins pinnatifid or entire
→ 2
2. Fruits fusiform, not constricted at articulation, 4- or 8-sulcate.
subsp. fusiformis
2. Fruits lanceoloid, usually constricted at articulation, weakly 4-angled or terete.
subsp. pseudoconstricta
Source FNA vol. 7, p. 426.
Parent taxa Brassicaceae > tribe Brassiceae > Cakile
Sibling taxa
C. constricta, C. edentula, C. geniculata, C. maritima
Subordinate taxa
C. lanceolata subsp. fusiformis, C. lanceolata subsp. lanceolata, C. lanceolata subsp. pseudoconstricta
Synonyms Raphanus lanceolatus
Name authority (Willdenow) O. E. Schulz: in I. Urban, Symb. Antill. 3: 504. (1903)
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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