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Jepson Field Book volume 30 page 18 | University and Jepson Herbaria Archives, University of California, Berkeley

Jepson Field Book volume 30 page 18
Barstow 2100 ft. No. 5823 Cont. Plants 1 or 1 1/2 inches high, annual.  Leaves opposite, lanceolate, entire.  Herbiage purple-brown, including the calyx.  Flowers on short pedicels, solitary in the axils, spreading nearly but not quite horizontally, i.e. ascending a little.  Calyx prismatic-angled, its teeth unequal, the upper the longer.  Corolla-tube little exserted, its limb spreading at an abrupt angle after the manner of certain Nyctaginaceae.  Limb flat, i.e. plane, 4 lines broad.  Lobes 5, subequal.  The limb is very obscurely bilabiate, that is, its bilabiate character can only be made :::::::::  29 Apr. 1914 out by study.  The two upper lobes equal in size the two lateral lower lobes, the middle lobe of the lower lip being a little smaller than the others.  The tips of the lobes are white, the rest of the corolla the prevailing purple-brown of the plant as a whole.  The upper lobes of the corolla cover the lower in the bud, a stage which most easily elucidates the bilabiate character.  Stames 4, 2 long upper, 2 short lower, the anthers divergently 2-lobed and connivent in pairs.  Stamens inserted on the summit of the proper tube which is very short, less than 1 line long; above the tube is the throat which is rather strongly distended or gibbous on lower side.  Style
University and Jepson Herbaria Archives, University of California, Berkeley
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