Flora of North America species comparison

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Senecio blochmaniae

Blochman's ragwort, dune ragwort
Habit Subshrubs, 45–130 cm (taproots forming woody crowns).
Herbage

glabrous or sparsely hairy.
Stems

usually multiple (arching upwards).
Leaves

evenly distributed (often crowded; proximal often withering and pendulous);

sessile or ± petiolate;

blades linear-filiform, 3–12 cm × 1–3 mm, bases ± linear, margins entire.
Ray florets

± 8;

corolla laminae 8–10 mm.
Phyllaries

± 13, 7–10 mm, tips green.
Calyculi

0 or of 1–3+ lance-deltate to linear bractlets (lengths to 1/4 phyllaries).
Heads

5–20 in corymbiform arrays (involucres campanulate).
Cypselae

hirtellous (canescent).
2n

= 40.

Senecio blochmaniae
Phenology Flowering summer–early fall.
Habitat Coastal sand dunes and sandy, open flood plains
Elevation 0–100 m (0–300 ft)
Distribution
from FNA
CA
[WildflowerSearch map]
[BONAP county map]
Discussion

Of conservation concern.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 20, p. 560.
Parent taxa Asteraceae > tribe Senecioneae > Senecio
Sibling taxa
S. actinella, S. amplectens, S. ampullaceus, S. aphanactis, S. arizonicus, S. aronicoides, S. astephanus, S. atratus, S. bigelovii, S. californicus, S. cannabifolius, S. clarkianus, S. crassulus, S. elegans, S. elmeri, S. eremophilus, S. ertterae, S. erucifolius, S. flaccidus, S. fremontii, S. hydrophiloides, S. hydrophilus, S. integerrimus, S. jacobaea, S. lemmonii, S. lugens, S. lyonii, S. megacephalus, S. mohavensis, S. multidentatus, S. neowebsteri, S. parryi, S. pattersonensis, S. pseudoarnica, S. pudicus, S. quaylei, S. rapifolius, S. riddellii, S. sacramentanus, S. scorzonella, S. serra, S. sheldonensis, S. soldanella, S. spartioides, S. sphaerocephalus, S. spribillei, S. squalidus, S. sylvaticus, S. taraxacoides, S. triangularis, S. viscosus, S. vulgaris, S. warnockii, S. wootonii
Name authority Greene: Erythaea 1: 7. (1893)
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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