The green links below add additional plants to the comparison table. Blue links lead to other Web sites.
enable glossary links

narrowleaf goldenaster

Habit Biennials (rarely perennials), 30–100(–200) cm; taprooted (rarely perennating by production of basal rosettes).
Stems

erect (often reddish purple), usually simple, glabrous.

Leaves

basal blades oblanceolate to linear, 15–70 × 1–7 mm, faces glabrous or densely woolly;

proximal cauline often becoming black and twisted;

cauline blades linear or linear-lanceolate to oblong, flat, slightly undulate, or twisted, bases tapering to rounded, margins entire, eciliate, occasionally undulate, apices acute, faces glabrous.

Peduncles

2–8 cm, glabrous;

bracteoles 1–3, linear, glabrous.

Involucres

campanulate, 6–10(–12) mm.

Ray florets

10–30;

laminae 9–12 mm.

Disc florets

35–60;

corollas 5–6 mm, lobes 0.5–1 mm.

Phyllaries

in 4–5 series, erect, linear-lanceolate, unequal, 0.6–1.1 mm wide, apices, acute-appressed, acuminate to long-acuminate, faces glabrous, bases of outer sparsely stipitate-glandular.

Heads

(4–)20–100 in subumbelliform to compact, paniculiform or loosely open corymbiform arrays.

Cypselae

(stramineous) 2–2.5 mm, 2–6-ridged (ridges golden yellow to red-brown, translucent, clavate), weakly ribbed, faces sparsely strigose to sometimes only proximally so;

pappi in 3 series, outer of linear to narrowly triangular scales 0.5–1 mm, inner of 20–35 bristles 4–6 mm, inner moderately clavate.

2n

= 10.

Chrysopsis linearifolia

Distribution
from FNA
FL
[BONAP county map]
Discussion

Subspecies 2 (2 in the flora).

Chrysopsis linearifolia is disjunct between the central and western panhandle and the central peninsula.

(Discussion copyrighted by Flora of North America; reprinted with permission.)

Key
1. Heads 20–100, in compact subumbelliform to paniculiform arrays; stems often dark purple, 30–200 cm; leaves numerous (to 200 on tall plants), linear to narrowly linear (lengths more than 10 times widths), flat or slightly undulate or twisted; panhandle Florida 9a. Chrysopsis linearifolia subsp. linearifolia
→ 1
1. Heads 4–30(–50) in open corymbiform arrays; stems 30–80 cm, green to dark purple; leaves less numerous (to 100 on tall plants), linear to linear-lanceolate or elliptic, sometimes undulate, strongly twisted; c, w peninsular Florida
subsp. dressii
Source FNA vol. 20, p. 218.
Parent taxa Asteraceae > tribe Astereae > Chrysopsis
Sibling taxa
C. delaneyi, C. floridana, C. godfreyi, C. gossypina, C. highlandsensis, C. lanuginosa, C. latisquamea, C. mariana, C. scabrella, C. subulata
Subordinate taxa
C. linearifolia subsp. dressii
Name authority Semple: Brittonia 30: 493. (1978)
Web links