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Raphanus raphanistrum L.Brassicaceae (Mustard Family)EuropeJointed Charlock |
April Photo
Plant Characteristics:
Freely branched annual or biennial, 5-12 dm. tall, subglabrous to
scattered-hispid; lower lvs. pinnately parted, 1-2 dm. long, with large rounded
terminal segm.; upper lvs. toothed; pedicels 1-2 cm. long, ascending; sepals
narrow, ca. 9-10 mm. long; petals yellow or yellow with red veins, aging white;
siliques nearly cylindric when fresh, constricted between the seeds when dry,
4-6 mm. thick, slender-beaked, transversely divided into 4 to 6, longitudinally
grooved 1-seeded segms.
Habitat:
Occasional weed in waste places below 800 meters.
April-June.
Name:
Greek, raphanos, quick
appearing, because of rapid germination of seeds.
(Munz, Flora So. Calif. 297). Raphanistrum,
evidently a combination of Gr., raphanos,
cabbage and Latin, raphistrum, the
wild turnip. (Jaeger 217).
General:
Occasional on the sloping meadow westerly of the Delhi Ditch.
(my comment).
About 4 species of Eurasia. (Munz, Flora
So. Calif. 297).
Text Ref:
Hickman, Ed. 432; Munz, Calif Flora 237; Munz, Flora
So. Calif. 297.
Photo Ref:
March-April 94 # 18,21.
Identity: by R. De Ruff, confirmed by John Johnson.
First Found: March 1994.
Computer Ref:
Plant Data 464.
Have plant specimen.
Last edit 6/8/05..
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March Photo