Laënnecia turnerorum
Sida 19: 789, fig. 1. 2001.
Annuals, 15–20 cm (sometimes branched from bases). Leaf-blades: bases (all or distal) ± clasping, faces sparsely villous (hairs erect, multicellular) and stipitate and sessile-glandular; proximal obovate to oblanceolate, 20–50+ × 5–12+ mm, mostly 1–2-pinnately lobed (lobes ovate); distal similar, smaller, pinnately lobed or entire. Heads in ± corymbiform arrays. Involucres 3–4 mm. Receptacles 3.5–4 mm diam. Pistillate florets ca. 200; corollas: lengths ± 1/2 styles, laminae 0. Disc-florets 15–18. Cypselae tan, 0.8–1 mm, strigillose (hairs 0.7–0.1 mm) and with sessile glands near apices; pappi fragile or readily falling, of 16–18 white bristles in 1 series, 2 mm.
Phenology: Flowering spring.
Habitat: Moderately disturbed sites, limestone-derived soils
Elevation: 1100 m
Discussion
Selected References
None.
Lower Taxa
None.
... more about "Laënnecia turnerorum"
introrse +
connate +
distinct +
herbaceous +
scarious +
hirsute +
papillate +
corymbiform +
continuous +
clasping +
decurrent +
elliptic +
lobed;spatulate;ovate;obovate;oblong;oblanceolate +
ribbed +
stigmatic +
barbellulate +
white +
persistent +
16;18 +
equal +
absent +
yellowish +
absent +
monomorphic +
dimorphic +
strigillose +
0.8mm;1mm +
staminate +
Tex. +
straight +
stipitate +
sessile-glandular +
villous +
distinct +
pistillate +
proximal +
200 +
bisexual +
dispersed +
sessile +
singly +
indeterminate +
surrounding +
turbinate +
absent +
proximal +
entire;lobed;lobed;obovate;oblanceolate +
smaller +
5mm;12mm +
alternate +
spreading;erect +
deltate +
riblike +
thickened +
membranous +
2-carpellate +
inferior +
attached +
anatropous +
persistent +
fragile +
falling +
2 cm20 mm <br />0.02 m <br /> (?) +
tough +
thick +
pistillate +
absent +
fertile +
connate +
1-nerved +
persistent +
appressed +
distinct +
herbaceous +
falling +
Sida +
2001 +
absent +
sterile +
epaleate +
pitted +
concave;usually flat;conic +
fibrous +
exalbuminous +
modifed +
alternate +
erect +
deltate +
2-branched +
glabrous +
Laënnecia turnerorum +
Laënnecia +
species +
shorter +
annual +