Jepson eFlora
Key to families | Table of families and genera

Key to Thysanocarpus

View taxon page for Thysanocarpus

1. Proximal pedicels in fruit 7–18 mm, ± straight except sharply reflexed near tips; fruit 7–10 mm wide, wing rays ± 0.1 mm wide, distinct; fertile anthers yellow ..... T. radians

1' Proximal pedicels in fruit 1.5–7(12) mm, recurved in a continuous arc, ± recurved, straight, or ± straight but not reflexed near tips; fruit 2.5–6(9) mm wide, wing rays 0 or 0.2–0.5 mm wide, distinct or generally ± not; fertile anthers yellow or purple

2. Fruit round, wing strongly incurved toward over-seed flat side, with spoon-shaped lobes or occasionally perforated; proximal pedicels in fruit straight or ± recurved; fertile anthers yellow ..... T. conchuliferus

2' Fruit obovate to round, wing not incurved toward over-seed flat side, flat or ± incurved toward over-seed convex side, entire, wavy-margined, shallowly to deeply crenate, with spoon-shaped lobes, or perforated; proximal pedicels in fruit ± straight or recurved in a continuous arc; fertile anthers yellow or purple

3. Cauline leaves linear to narrowly elliptic, bases wedge-shaped, ± lobed or not, ± not clasping (lobed, clasping); basal leaves subentire, wavy-dentate, or pinnately lobed; fertile anthers yellow or purple

4. Fruit hairs 0 or generally 0.05–0.1 mm, club-shaped; fertile anthers yellow ..... T. desertorum

4' Fruit hairs 0.05–0.4 mm, club-shaped, or generally 0; fertile anthers purple

5. Proximal pedicels in fruit recurved in continuous arc; plants generally not branched from base; leaves generally greenish or basal occasionally purplish; fruit greenish ..... T. laciniatus

5' Proximal pedicels in fruit ± straight; plants branched from base; leaves purplish; fruit often purplish ..... T. rigidus

3' Cauline leaves lanceolate, bases lobed, clasping; basal leaves subentire to wavy-dentate; fertile anthers purple ..... T. curvipes

6. Stem hairy proximally, glabrous distally

7. Fruit >= 6 mm, 5.5–7(9) mm wide, wing perforated ..... subsp. elegans

7' Fruit < 6 mm, 3.0–5.5(6.5) mm wide, wing entire, crenate, divided into spoon-shaped lobes, or perforated

8. Style 0.2–0.6(0.7) mm ..... subsp. curvipes

8' Style 0.9–1.5(1.8) mm ..... subsp. longistylus (2)

6' Stem glabrous

9. Style 0.9–1.5(1.8) mm ..... subsp. longistylus (2)

9' Style 0.2–0.7 mm

10. Fruit wing rayed, entire, crenate, with spoon-shaped lobes, or perforated..... subsp. amplectens

10' Fruit wing not rayed, entire to shallowly crenate ..... subsp. eradiatus

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Citation for an individual treatment: [Author of taxon treatment] [year]. [Taxon name] in Jepson Flora Project (eds.) Jepson eFlora, [URL for treatment]. Accessed on [month, day, year].
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